diff --git a/Tests/FireTestApp/FireTestApp.nfproj b/Tests/FireTestApp/FireTestApp.nfproj
index 929eb2ae..6e1bdba8 100644
--- a/Tests/FireTestApp/FireTestApp.nfproj
+++ b/Tests/FireTestApp/FireTestApp.nfproj
@@ -105,8 +105,8 @@
       <HintPath>..\..\packages\nanoFramework.System.Device.Pwm.1.0.1\lib\System.Device.Pwm.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="System.Device.Spi, Version=1.3.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.System.Device.Spi.1.3.2\lib\System.Device.Spi.dll</HintPath>
+    <Reference Include="System.Device.Spi, Version=1.3.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.System.Device.Spi.1.3.4\lib\System.Device.Spi.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Drawing, Version=1.1.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/Tests/FireTestApp/packages.config b/Tests/FireTestApp/packages.config
index 7a3d4d09..0b65e201 100644
--- a/Tests/FireTestApp/packages.config
+++ b/Tests/FireTestApp/packages.config
@@ -20,7 +20,7 @@
   <package id="nanoFramework.System.Device.I2c" version="1.0.3" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Model" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Pwm" version="1.0.1" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Device.Spi" version="1.3.2" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Device.Spi" version="1.3.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Drawing" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Math" version="1.4.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Numerics" version="1.1.113.2032" targetFramework="netnanoframework10" />
diff --git a/Tests/M5Core2TestApp/M5Core2TestApp.nfproj b/Tests/M5Core2TestApp/M5Core2TestApp.nfproj
index 88e279c8..d92046df 100644
--- a/Tests/M5Core2TestApp/M5Core2TestApp.nfproj
+++ b/Tests/M5Core2TestApp/M5Core2TestApp.nfproj
@@ -107,8 +107,8 @@
       <HintPath>..\..\packages\nanoFramework.System.Device.Pwm.1.0.1\lib\System.Device.Pwm.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="System.Device.Spi, Version=1.3.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.System.Device.Spi.1.3.2\lib\System.Device.Spi.dll</HintPath>
+    <Reference Include="System.Device.Spi, Version=1.3.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.System.Device.Spi.1.3.4\lib\System.Device.Spi.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Device.Wifi, Version=1.4.0.22, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/Tests/M5Core2TestApp/packages.config b/Tests/M5Core2TestApp/packages.config
index ab7ea345..47c02e0a 100644
--- a/Tests/M5Core2TestApp/packages.config
+++ b/Tests/M5Core2TestApp/packages.config
@@ -20,7 +20,7 @@
   <package id="nanoFramework.System.Device.I2c" version="1.0.3" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Model" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Pwm" version="1.0.1" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Device.Spi" version="1.3.2" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Device.Spi" version="1.3.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Wifi" version="1.4.0.22" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Diagnostics.Stopwatch" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.IO.Ports" version="1.0.7.10" targetFramework="netnanoframework10" />
diff --git a/Tests/M5CoreTestApp/M5CoreTestApp.nfproj b/Tests/M5CoreTestApp/M5CoreTestApp.nfproj
index 568b0b79..e2d911c4 100644
--- a/Tests/M5CoreTestApp/M5CoreTestApp.nfproj
+++ b/Tests/M5CoreTestApp/M5CoreTestApp.nfproj
@@ -94,8 +94,8 @@
       <HintPath>..\..\packages\nanoFramework.System.Device.Pwm.1.0.1\lib\System.Device.Pwm.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="System.Device.Spi, Version=1.3.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.System.Device.Spi.1.3.2\lib\System.Device.Spi.dll</HintPath>
+    <Reference Include="System.Device.Spi, Version=1.3.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.System.Device.Spi.1.3.4\lib\System.Device.Spi.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Diagnostics.Stopwatch, Version=1.1.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/Tests/M5CoreTestApp/packages.config b/Tests/M5CoreTestApp/packages.config
index fc965ff5..f59b3702 100644
--- a/Tests/M5CoreTestApp/packages.config
+++ b/Tests/M5CoreTestApp/packages.config
@@ -17,7 +17,7 @@
   <package id="nanoFramework.System.Device.I2c" version="1.0.3" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Model" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Pwm" version="1.0.1" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Device.Spi" version="1.3.2" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Device.Spi" version="1.3.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Diagnostics.Stopwatch" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.IO.Ports" version="1.0.7.10" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.IO.Streams" version="1.0.1.1" />
diff --git a/nanoFramework.AtomLite.nuspec b/nanoFramework.AtomLite.nuspec
index 230c15ef..090ba38b 100644
--- a/nanoFramework.AtomLite.nuspec
+++ b/nanoFramework.AtomLite.nuspec
@@ -25,7 +25,7 @@
       <dependency id="nanoFramework.System.Device.Dac" version="1.4.3" />
       <dependency id="nanoFramework.System.Device.Adc" version="1.0.2" />
       <dependency id="nanoFramework.System.Device.I2c" version="1.0.3" />
-      <dependency id="nanoFramework.System.Device.Spi" version="1.3.2" />
+      <dependency id="nanoFramework.System.Device.Spi" version="1.3.4" />
       <dependency id="nanoFramework.System.Drawing" version="1.1.113.2032" />
       <dependency id="nanoFramework.Iot.Device.Ws28xx.Esp32" version="1.1.118.19693" />
     </dependencies>
diff --git a/nanoFramework.AtomLite/nanoFramework.AtomLite.nfproj b/nanoFramework.AtomLite/nanoFramework.AtomLite.nfproj
index 86e12bc7..e100eb62 100644
--- a/nanoFramework.AtomLite/nanoFramework.AtomLite.nfproj
+++ b/nanoFramework.AtomLite/nanoFramework.AtomLite.nfproj
@@ -72,8 +72,8 @@
       <HintPath>..\packages\nanoFramework.System.Device.I2c.1.0.3\lib\System.Device.I2c.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="System.Device.Spi, Version=1.3.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Device.Spi.1.3.2\lib\System.Device.Spi.dll</HintPath>
+    <Reference Include="System.Device.Spi, Version=1.3.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Device.Spi.1.3.4\lib\System.Device.Spi.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Drawing, Version=1.1.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/nanoFramework.AtomLite/packages.config b/nanoFramework.AtomLite/packages.config
index b9c4e0d1..18e8bf2c 100644
--- a/nanoFramework.AtomLite/packages.config
+++ b/nanoFramework.AtomLite/packages.config
@@ -10,7 +10,7 @@
   <package id="nanoFramework.System.Device.Dac" version="1.4.3" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Gpio" version="1.0.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.I2c" version="1.0.3" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Device.Spi" version="1.3.2" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Device.Spi" version="1.3.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Drawing" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.5.103" targetFramework="netnanoframework10" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/nanoFramework.AtomMatrix.nuspec b/nanoFramework.AtomMatrix.nuspec
index 65d87934..d0bf87f9 100644
--- a/nanoFramework.AtomMatrix.nuspec
+++ b/nanoFramework.AtomMatrix.nuspec
@@ -25,7 +25,7 @@
       <dependency id="nanoFramework.Iot.Device.Mpu6886" version="1.1.142.3202" />
       <dependency id="nanoFramework.System.Device.Adc" version="1.0.2" />
       <dependency id="nanoFramework.System.Device.Dac" version="1.4.3" />
-      <dependency id="nanoFramework.System.Device.Spi" version="1.3.2" />
+      <dependency id="nanoFramework.System.Device.Spi" version="1.3.4" />
       <dependency id="nanoFramework.System.Drawing" version="1.1.113.2032" />
       <dependency id="UnitsNet.nanoFramework.Temperature" version="4.137.0" />
       <dependency id="nanoFramework.Iot.Device.Ws28xx.Esp32" version="1.1.118.19693" />
diff --git a/nanoFramework.AtomMatrix/nanoFramework.AtomMatrix.nfproj b/nanoFramework.AtomMatrix/nanoFramework.AtomMatrix.nfproj
index c9a74f38..322aa155 100644
--- a/nanoFramework.AtomMatrix/nanoFramework.AtomMatrix.nfproj
+++ b/nanoFramework.AtomMatrix/nanoFramework.AtomMatrix.nfproj
@@ -85,8 +85,8 @@
       <HintPath>..\packages\nanoFramework.System.Device.Model.1.1.113.2032\lib\System.Device.Model.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="System.Device.Spi, Version=1.3.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Device.Spi.1.3.2\lib\System.Device.Spi.dll</HintPath>
+    <Reference Include="System.Device.Spi, Version=1.3.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Device.Spi.1.3.4\lib\System.Device.Spi.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Drawing, Version=1.1.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/nanoFramework.AtomMatrix/packages.config b/nanoFramework.AtomMatrix/packages.config
index a22d175c..1fc74544 100644
--- a/nanoFramework.AtomMatrix/packages.config
+++ b/nanoFramework.AtomMatrix/packages.config
@@ -13,7 +13,7 @@
   <package id="nanoFramework.System.Device.Gpio" version="1.0.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.I2c" version="1.0.3" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Model" version="1.1.113.2032" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Device.Spi" version="1.3.2" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Device.Spi" version="1.3.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Drawing" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Math" version="1.4.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Numerics" version="1.1.113.2032" targetFramework="netnanoframework10" />
diff --git a/nanoFramework.Fire.nuspec b/nanoFramework.Fire.nuspec
index 5c2f9745..df783fe0 100644
--- a/nanoFramework.Fire.nuspec
+++ b/nanoFramework.Fire.nuspec
@@ -28,7 +28,7 @@
       <dependency id="nanoFramework.Iot.Device.Mpu6886" version="1.1.142.3202" />
       <dependency id="nanoFramework.System.Device.Adc" version="1.0.2" />
       <dependency id="nanoFramework.System.Device.Dac" version="1.4.3" />
-      <dependency id="nanoFramework.System.Device.Spi" version="1.3.2" />
+      <dependency id="nanoFramework.System.Device.Spi" version="1.3.4" />
       <dependency id="nanoFramework.System.IO.Ports" version="1.0.7.10" />
       <dependency id="UnitsNet.nanoFramework.ElectricCurrent" version="4.137.0" />
       <dependency id="UnitsNet.nanoFramework.Frequency" version="4.137.0" />
diff --git a/nanoFramework.Fire/nanoFramework.Fire.nfproj b/nanoFramework.Fire/nanoFramework.Fire.nfproj
index 1af0f7b1..8e51f0a8 100644
--- a/nanoFramework.Fire/nanoFramework.Fire.nfproj
+++ b/nanoFramework.Fire/nanoFramework.Fire.nfproj
@@ -118,8 +118,8 @@
       <HintPath>..\packages\nanoFramework.System.Device.Pwm.1.0.1\lib\System.Device.Pwm.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="System.Device.Spi, Version=1.3.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Device.Spi.1.3.2\lib\System.Device.Spi.dll</HintPath>
+    <Reference Include="System.Device.Spi, Version=1.3.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Device.Spi.1.3.4\lib\System.Device.Spi.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Drawing, Version=1.1.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/nanoFramework.Fire/packages.config b/nanoFramework.Fire/packages.config
index 11076e3e..a7b95b93 100644
--- a/nanoFramework.Fire/packages.config
+++ b/nanoFramework.Fire/packages.config
@@ -21,7 +21,7 @@
   <package id="nanoFramework.System.Device.I2c" version="1.0.3" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Model" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Pwm" version="1.0.1" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Device.Spi" version="1.3.2" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Device.Spi" version="1.3.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Drawing" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.IO.Ports" version="1.0.7.10" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.IO.Streams" version="1.0.1.1" targetFramework="netnanoframework10" />
diff --git a/nanoFramework.M5Core.nuspec b/nanoFramework.M5Core.nuspec
index 43419069..5bf526ce 100644
--- a/nanoFramework.M5Core.nuspec
+++ b/nanoFramework.M5Core.nuspec
@@ -29,7 +29,7 @@
       <dependency id="nanoFramework.System.Device.Adc" version="1.0.2" />
       <dependency id="nanoFramework.System.Device.Dac" version="1.4.3" />
       <dependency id="nanoFramework.System.Device.Pwm" version="1.0.1" />
-      <dependency id="nanoFramework.System.Device.Spi" version="1.3.2" />
+      <dependency id="nanoFramework.System.Device.Spi" version="1.3.4" />
       <dependency id="nanoFramework.System.Diagnostics.Stopwatch" version="1.1.113.2032" />
       <dependency id="nanoFramework.System.IO.Ports" version="1.0.7.10" />
       <dependency id="UnitsNet.nanoFramework.ElectricCurrent" version="4.137.0" />
diff --git a/nanoFramework.M5Core/nanoFramework.M5Core.nfproj b/nanoFramework.M5Core/nanoFramework.M5Core.nfproj
index 8733ace8..7476b06e 100644
--- a/nanoFramework.M5Core/nanoFramework.M5Core.nfproj
+++ b/nanoFramework.M5Core/nanoFramework.M5Core.nfproj
@@ -128,8 +128,8 @@
       <HintPath>..\packages\nanoFramework.System.Device.Pwm.1.0.1\lib\System.Device.Pwm.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="System.Device.Spi, Version=1.3.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Device.Spi.1.3.2\lib\System.Device.Spi.dll</HintPath>
+    <Reference Include="System.Device.Spi, Version=1.3.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Device.Spi.1.3.4\lib\System.Device.Spi.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Diagnostics.Stopwatch, Version=1.1.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/nanoFramework.M5Core/packages.config b/nanoFramework.M5Core/packages.config
index d7959a89..9dbbeee8 100644
--- a/nanoFramework.M5Core/packages.config
+++ b/nanoFramework.M5Core/packages.config
@@ -19,7 +19,7 @@
   <package id="nanoFramework.System.Device.I2c" version="1.0.3" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Model" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Pwm" version="1.0.1" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Device.Spi" version="1.3.2" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Device.Spi" version="1.3.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Diagnostics.Stopwatch" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.IO.Ports" version="1.0.7.10" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.IO.Streams" version="1.0.1.1" />
diff --git a/nanoFramework.M5Core2.nuspec b/nanoFramework.M5Core2.nuspec
index b5a15656..6b1602b1 100644
--- a/nanoFramework.M5Core2.nuspec
+++ b/nanoFramework.M5Core2.nuspec
@@ -31,7 +31,7 @@
       <dependency id="nanoFramework.System.Device.Adc" version="1.0.2" />
       <dependency id="nanoFramework.System.Device.Dac" version="1.4.3" />
       <dependency id="nanoFramework.System.Device.Pwm" version="1.0.1" />
-      <dependency id="nanoFramework.System.Device.Spi" version="1.3.2" />
+      <dependency id="nanoFramework.System.Device.Spi" version="1.3.4" />
       <dependency id="nanoFramework.System.Diagnostics.Stopwatch" version="1.1.113.2032" />
       <dependency id="nanoFramework.System.IO.Ports" version="1.0.7.10" />
       <dependency id="nanoFramework.System.Threading" version="1.0.4" />
diff --git a/nanoFramework.M5Core2/nanoFramework.M5Core2.nfproj b/nanoFramework.M5Core2/nanoFramework.M5Core2.nfproj
index 9826bb06..660c8fb8 100644
--- a/nanoFramework.M5Core2/nanoFramework.M5Core2.nfproj
+++ b/nanoFramework.M5Core2/nanoFramework.M5Core2.nfproj
@@ -117,8 +117,8 @@
       <HintPath>..\packages\nanoFramework.System.Device.Pwm.1.0.1\lib\System.Device.Pwm.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="System.Device.Spi, Version=1.3.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Device.Spi.1.3.2\lib\System.Device.Spi.dll</HintPath>
+    <Reference Include="System.Device.Spi, Version=1.3.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Device.Spi.1.3.4\lib\System.Device.Spi.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Diagnostics.Stopwatch, Version=1.1.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/nanoFramework.M5Core2/packages.config b/nanoFramework.M5Core2/packages.config
index 8538b3c4..c2bc481e 100644
--- a/nanoFramework.M5Core2/packages.config
+++ b/nanoFramework.M5Core2/packages.config
@@ -21,7 +21,7 @@
   <package id="nanoFramework.System.Device.I2c" version="1.0.3" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Model" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Pwm" version="1.0.1" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Device.Spi" version="1.3.2" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Device.Spi" version="1.3.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Diagnostics.Stopwatch" version="1.1.113.2032" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.IO.Ports" version="1.0.7.10" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.IO.Streams" version="1.0.1.1" />
diff --git a/nanoFramework.Tough.nuspec b/nanoFramework.Tough.nuspec
index adf8d3f5..597846ab 100644
--- a/nanoFramework.Tough.nuspec
+++ b/nanoFramework.Tough.nuspec
@@ -26,7 +26,7 @@
       <dependency id="nanoFramework.Iot.Device.Rtc" version="1.1.142.3202" />
       <dependency id="nanoFramework.System.Device.Adc" version="1.0.2" />
       <dependency id="nanoFramework.System.Device.Dac" version="1.4.3" />
-      <dependency id="nanoFramework.System.Device.Spi" version="1.3.2" />
+      <dependency id="nanoFramework.System.Device.Spi" version="1.3.4" />
       <dependency id="nanoFramework.System.IO.Ports" version="1.0.7.10" />
       <dependency id="nanoFramework.System.Threading" version="1.0.4" />
     </dependencies>
diff --git a/nanoFramework.Tough/nanoFramework.Tough.nfproj b/nanoFramework.Tough/nanoFramework.Tough.nfproj
index 6231e7ae..d7c0f4b7 100644
--- a/nanoFramework.Tough/nanoFramework.Tough.nfproj
+++ b/nanoFramework.Tough/nanoFramework.Tough.nfproj
@@ -83,8 +83,8 @@
     <Reference Include="System.Device.I2c">
       <HintPath>..\packages\nanoFramework.System.Device.I2c.1.0.3\lib\System.Device.I2c.dll</HintPath>
     </Reference>
-    <Reference Include="System.Device.Spi, Version=1.3.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Device.Spi.1.3.2\lib\System.Device.Spi.dll</HintPath>
+    <Reference Include="System.Device.Spi, Version=1.3.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Device.Spi.1.3.4\lib\System.Device.Spi.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.IO.Ports, Version=1.0.7.10, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/nanoFramework.Tough/packages.config b/nanoFramework.Tough/packages.config
index b3bc09bf..75dd69a7 100644
--- a/nanoFramework.Tough/packages.config
+++ b/nanoFramework.Tough/packages.config
@@ -15,7 +15,7 @@
   <package id="nanoFramework.System.Device.Dac" version="1.4.3" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.Gpio" version="1.0.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Device.I2c" version="1.0.3" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Device.Spi" version="1.3.2" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Device.Spi" version="1.3.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.IO.Ports" version="1.0.7.10" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="1.0.1.1" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Text" version="1.1.3.13" targetFramework="netnanoframework10" />