diff --git a/install_macos.sh b/install_macos.sh
index 9cbbb3d..c343451 100755
--- a/install_macos.sh
+++ b/install_macos.sh
@@ -38,7 +38,7 @@ $RTT_PYTHON -m pip list > /dev/null || {
 
 if ! [ -x "$(command -v scons)" ]; then
     echo "Installing scons."
-    $RTT_PYTHON -m pip install scons==4.4.0
+    $RTT_PYTHON -m pip install scons
 fi
 
 if ! [ -x "$(command -v pyocd)" ]; then
diff --git a/install_suse.sh b/install_suse.sh
index 91e5dee..e0de10b 100755
--- a/install_suse.sh
+++ b/install_suse.sh
@@ -3,7 +3,7 @@
 sudo zypper update -y
 
 sudo zypper install python3 python3-pip gcc git ncurses-devel cross-arm-none-gcc11-bootstrap cross-arm-binutils qemu qemu-arm qemu-extra -y
-python3 -m pip install scons==4.4.0 requests
+python3 -m pip install scons requests
 python3 -m pip install -U pyocd
 
 url=https://raw.githubusercontent.com/RT-Thread/env/master/touch_env.sh
diff --git a/install_ubuntu.sh b/install_ubuntu.sh
index 8f8c5f4..13d8255 100755
--- a/install_ubuntu.sh
+++ b/install_ubuntu.sh
@@ -4,7 +4,7 @@ sudo apt-get update
 sudo apt-get upgrade -y
 
 sudo apt-get -qq install python3 python3-pip gcc git libncurses5-dev gcc-arm-none-eabi binutils-arm-none-eabi gdb-multiarch qemu qemu-system-arm -y
-python3 -m pip install scons==4.4.0 requests
+python3 -m pip install scons requests
 python3 -m pip install -U pyocd
 
 url=https://raw.githubusercontent.com/RT-Thread/env/master/touch_env.sh
diff --git a/install_windows.ps1 b/install_windows.ps1
index 54aa7c3..392252f 100644
--- a/install_windows.ps1
+++ b/install_windows.ps1
@@ -71,7 +71,7 @@ cmd /c $RTT_PYTHON -m pip install --upgrade pip -i $PIP_SOURCE --trusted-host $P
 
 if (!(Test-Command scons)) {
     echo "Installing scons."
-    cmd /c $RTT_PYTHON -m pip install scons==4.4.0 -i $PIP_SOURCE --trusted-host $PIP_HOST
+    cmd /c $RTT_PYTHON -m pip install scons -i $PIP_SOURCE --trusted-host $PIP_HOST
 } else {
     echo "scons has installed. Jump this step."
 }