diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
index a20cd5e31..651dfdf95 100644
--- a/.github/workflows/package.yml
+++ b/.github/workflows/package.yml
@@ -18,8 +18,8 @@ jobs:
         with:
           dotnet-version: |
             3.1.x
-            6.0.x
-            7.0.x
+            6.0.15
+            7.0.4
       - name: Download fake-cli
         run:  dotnet tool restore
       - name: Package
@@ -45,8 +45,8 @@ jobs:
         with:
           dotnet-version: |
             3.1.x
-            6.0.x
-            7.0.x
+            6.0.15
+            7.0.4
       - name: Download fake-cli
         run:  dotnet tool install fake-cli --version 5.20.4 --tool-path .
       - name: Restore packages
diff --git a/.github/workflows/run-tests-linux.yml b/.github/workflows/run-tests-linux.yml
index 2c26b9003..d7ec97016 100644
--- a/.github/workflows/run-tests-linux.yml
+++ b/.github/workflows/run-tests-linux.yml
@@ -24,8 +24,8 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version: |
-            6.0.x
-            7.0.x
+            6.0.15
+            7.0.4
 
       - name: Download dotnet build-script tools
         run:  dotnet tool restore
diff --git a/.github/workflows/run-tests-macos.yml b/.github/workflows/run-tests-macos.yml
index 2c9ac1edd..748af9b9f 100644
--- a/.github/workflows/run-tests-macos.yml
+++ b/.github/workflows/run-tests-macos.yml
@@ -24,8 +24,8 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version: |
-            6.0.x
-            7.0.x
+            6.0.15
+            7.0.4
 
       - name: Download dotnet build-script tools
         run:  dotnet tool restore
diff --git a/.github/workflows/run-tests-windows.yml b/.github/workflows/run-tests-windows.yml
index d40cf1501..c22afdc4b 100644
--- a/.github/workflows/run-tests-windows.yml
+++ b/.github/workflows/run-tests-windows.yml
@@ -24,8 +24,8 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version: |
-            6.0.x
-            7.0.x
+            6.0.15
+            7.0.4
 
       - name: Download dotnet build-script tools
         run: dotnet tool restore