diff --git a/build.xml b/build.xml
index d097b82..832d3c0 100644
--- a/build.xml
+++ b/build.xml
@@ -40,7 +40,7 @@
         <attribute name="Class-Path" value="${manifest_cp}"/>
         <attribute name="Implementation-Vendor" value="io.ipfs"/>
         <attribute name="Implementation-Title" value="multiaddr"/>
-        <attribute name="Implementation-Version" value="1.2.0"/>
+        <attribute name="Implementation-Version" value="1.4.0"/>
       </manifest>
     </jar>
   </target>
diff --git a/pom.xml b/pom.xml
index af88977..cf7188d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>com.github.multiformats</groupId>
     <artifactId>java-multiaddr</artifactId>
-	<version>v1.3.2</version>
+	<version>v1.4.0</version>
 
 	<name>multiaddr</name>
 	<url>https://github.com/multiformats/java-multiaddr</url>
@@ -33,7 +33,7 @@
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <version.junit>4.12</version.junit>
         <version.hamcrest>1.3</version.hamcrest>
-        <version.cid>v1.1.0</version.cid>
+        <version.cid>v1.3.0</version.cid>
 	</properties>
 
 	<repositories>