diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
index 40dd3f22e..cdce30785 100644
--- a/.github/workflows/package.yml
+++ b/.github/workflows/package.yml
@@ -18,7 +18,7 @@ jobs:
         with:
           dotnet-version: |
             3.1.x
-            6.0.407
+            6.0.403
             7.0.202
       - name: Download fake-cli
         run:  dotnet tool restore
@@ -45,7 +45,7 @@ jobs:
         with:
           dotnet-version: |
             3.1.x
-            6.0.407
+            6.0.403
             7.0.202
       - name: Download fake-cli
         run:  dotnet tool install fake-cli --version 5.20.4 --tool-path .
@@ -73,7 +73,7 @@ jobs:
           with:
             dotnet-version: |
               2.x.x
-              6.0.407
+              6.0.403
 
         # Checkout unity packager
         - name: Checkout unity-packager repo
diff --git a/.github/workflows/run-tests-linux.yml b/.github/workflows/run-tests-linux.yml
index dd31fd740..d401041a4 100644
--- a/.github/workflows/run-tests-linux.yml
+++ b/.github/workflows/run-tests-linux.yml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version: |
-            6.0.407
+            6.0.403
             7.0.202
 
       - name: Download dotnet build-script tools
diff --git a/.github/workflows/run-tests-macos.yml b/.github/workflows/run-tests-macos.yml
index 128365df7..36dde51e1 100644
--- a/.github/workflows/run-tests-macos.yml
+++ b/.github/workflows/run-tests-macos.yml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version: |
-            6.0.407
+            6.0.403
             7.0.202
 
       - name: Download dotnet build-script tools
diff --git a/.github/workflows/run-tests-windows.yml b/.github/workflows/run-tests-windows.yml
index eea82c472..87edca1c6 100644
--- a/.github/workflows/run-tests-windows.yml
+++ b/.github/workflows/run-tests-windows.yml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version: |
-            6.0.407
+            6.0.403
             7.0.202
 
       - name: Download dotnet build-script tools