diff --git a/scripts/install/install-linux.sh b/scripts/install/install-linux.sh
index 67cda4486..1b3616560 100755
--- a/scripts/install/install-linux.sh
+++ b/scripts/install/install-linux.sh
@@ -6,12 +6,11 @@ set -euo pipefail
 # PORTER_MIRROR:       Base URL where Porter assets, such as binaries and atom feeds, are downloaded. This lets you
 #                   setup an internal mirror.
 # PORTER_PERMALINK: The version of Porter to install, such as vX.Y.Z, latest or canary.
-# PKG_PERMALINK:    The version of mixins and plugins to install, such as latest or canary.
+# PKG_PERMALINK:    DEPRECATED. Plugin and mixin versions are pinned to versions compatible with the v0.38 stable release
 
 export PORTER_HOME=${PORTER_HOME:-~/.porter}
 export PORTER_MIRROR=${PORTER_MIRROR:-https://cdn.porter.sh}
 PORTER_PERMALINK=${PORTER_PERMALINK:-latest}
-PKG_PERMALINK=${PKG_PERMALINK:-latest}
 
 echo "Installing porter@$PORTER_PERMALINK to $PORTER_HOME from $PORTER_MIRROR"
 
@@ -22,16 +21,16 @@ chmod +x $PORTER_HOME/porter
 cp $PORTER_HOME/porter $PORTER_HOME/runtimes/porter-runtime
 echo Installed `$PORTER_HOME/porter version`
 
-$PORTER_HOME/porter mixin install exec --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install kubernetes --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install helm --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install arm --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install terraform --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install az --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install aws --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install gcloud --version $PKG_PERMALINK
+$PORTER_HOME/porter mixin install exec --version $PORTER_PERMALINK
+$PORTER_HOME/porter mixin install kubernetes --version v0.28.5
+$PORTER_HOME/porter mixin install helm --version v0.13.4
+$PORTER_HOME/porter mixin install arm --version v0.8.2
+$PORTER_HOME/porter mixin install terraform --version v0.9.1
+$PORTER_HOME/porter mixin install az --version v0.7.2
+$PORTER_HOME/porter mixin install aws --version v0.4.1
+$PORTER_HOME/porter mixin install gcloud --version v0.4.2
 
-$PORTER_HOME/porter plugin install azure --version $PKG_PERMALINK
+$PORTER_HOME/porter plugin install azure --version v0.11.2
 
 echo "Installation complete."
 echo "Add porter to your path by adding the following line to your ~/.profile and open a new terminal:"
diff --git a/scripts/install/install-mac.sh b/scripts/install/install-mac.sh
index 18b9c3786..8d0477481 100755
--- a/scripts/install/install-mac.sh
+++ b/scripts/install/install-mac.sh
@@ -23,16 +23,16 @@ chmod +x $PORTER_HOME/porter
 chmod +x $PORTER_HOME/runtimes/porter-runtime
 echo Installed `$PORTER_HOME/porter version`
 
-$PORTER_HOME/porter mixin install exec --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install kubernetes --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install helm --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install arm --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install terraform --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install az --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install aws --version $PKG_PERMALINK
-$PORTER_HOME/porter mixin install gcloud --version $PKG_PERMALINK
-
-$PORTER_HOME/porter plugin install azure --version $PKG_PERMALINK
+$PORTER_HOME/porter mixin install exec --version $PORTER_PERMALINK
+$PORTER_HOME/porter mixin install kubernetes --version v0.28.5
+$PORTER_HOME/porter mixin install helm --version v0.13.4
+$PORTER_HOME/porter mixin install arm --version v0.8.2
+$PORTER_HOME/porter mixin install terraform --version v0.9.1
+$PORTER_HOME/porter mixin install az --version v0.7.2
+$PORTER_HOME/porter mixin install aws --version v0.4.1
+$PORTER_HOME/porter mixin install gcloud --version v0.4.2
+
+$PORTER_HOME/porter plugin install azure --version v0.11.2
 
 echo "Installation complete."
 echo "Add porter to your path by adding the following line to your ~/.bash_profile or ~/.zprofile and open a new terminal:"
diff --git a/scripts/install/install-windows.ps1 b/scripts/install/install-windows.ps1
index d4f494003..e0ca2c55d 100755
--- a/scripts/install/install-windows.ps1
+++ b/scripts/install/install-windows.ps1
@@ -4,7 +4,7 @@ param(
     # The version of Porter to install, such as vX.Y.Z, latest or canary.
     $PORTER_PERMALINK='latest',
     [String]
-    # The version of mixins and plugins to install, such as latest or canary.
+    # DEPRECATED. Plugin and mixin versions are pinned to versions compatible with the v0.38 stable release
     $PKG_PERMALINK='latest',
     [String]
     # Location where Porter is installed (defaults to ~/.porter).
@@ -23,16 +23,16 @@ mkdir -f $PORTER_HOME/runtimes
 (new-object System.Net.WebClient).DownloadFile("$PORTER_MIRROR/$PORTER_PERMALINK/porter-linux-amd64", "$PORTER_HOME\runtimes\porter-runtime")
 echo "Installed $(& $PORTER_HOME\porter.exe version)"
 
-& $PORTER_HOME/porter mixin install exec --version $PKG_PERMALINK
-& $PORTER_HOME/porter mixin install kubernetes --version $PKG_PERMALINK
-& $PORTER_HOME/porter mixin install helm --version $PKG_PERMALINK
-& $PORTER_HOME/porter mixin install arm --version $PKG_PERMALINK
-& $PORTER_HOME/porter mixin install terraform --version $PKG_PERMALINK
-& $PORTER_HOME/porter mixin install az --version $PKG_PERMALINK
-& $PORTER_HOME/porter mixin install aws --version $PKG_PERMALINK
-& $PORTER_HOME/porter mixin install gcloud --version $PKG_PERMALINK
+& $PORTER_HOME/porter mixin install exec --version $PORTER_PERMALINK
+& $PORTER_HOME/porter mixin install kubernetes --version v0.28.5
+& $PORTER_HOME/porter mixin install helm --version v0.13.4
+& $PORTER_HOME/porter mixin install arm --version v0.8.2
+& $PORTER_HOME/porter mixin install terraform --version v0.9.1
+& $PORTER_HOME/porter mixin install az --version v0.7.2
+& $PORTER_HOME/porter mixin install aws --version v0.4.1
+& $PORTER_HOME/porter mixin install gcloud --version v0.4.2
 
-& $PORTER_HOME/porter plugin install azure --version $PKG_PERMALINK
+& $PORTER_HOME/porter plugin install azure --version v0.11.2
 
 echo "Installation complete."
 echo "Add porter to your path by adding the following line to your Microsoft.PowerShell_profile.ps1 and open a new terminal:"