diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b553749ad..e03c2cbde 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -92,7 +92,7 @@ jobs:
       - name: Install Protoc
         uses: arduino/setup-protoc@v1
         with:
-          version: "3.x"
+          version: "3.20.2"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build Python package
@@ -153,7 +153,7 @@ jobs:
       - name: Install Protoc
         uses: arduino/setup-protoc@v1
         with:
-          version: "3.x"
+          version: "3.20.2"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build Python package
diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index d9e7ad4ad..cb80049e1 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -35,12 +35,12 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.10"
+          python-version: "3.11"
 
       - name: Install Protoc
         uses: arduino/setup-protoc@v1
         with:
-          version: '3.x'
+          version: '3.20.2'
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Install dependencies
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 291120bf8..a486f2778 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -54,7 +54,7 @@ jobs:
       - name: Install Protoc
         uses: arduino/setup-protoc@v1
         with:
-          version: '3.x'
+          version: '3.20.2'
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Setup Python