diff --git a/.github/workflows/generate-preview.yml b/.github/workflows/generate-preview.yml
index 84eff410c..10510f193 100644
--- a/.github/workflows/generate-preview.yml
+++ b/.github/workflows/generate-preview.yml
@@ -21,6 +21,8 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: 2.6
+          # Force bundler to 1.17.2 to match the Dockerfile configuration
+          bundler: 1.17.2
       - name: Install Pandoc
         run: sudo apt-get install -y pandoc
       - name: Install Jekyll dependencies
diff --git a/.github/workflows/publish-docs.yml b/.github/workflows/publish-docs.yml
index bb76a88e6..ae051d62e 100644
--- a/.github/workflows/publish-docs.yml
+++ b/.github/workflows/publish-docs.yml
@@ -24,6 +24,8 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: 2.6
+          # Force bundler to 1.17.2 to match the Dockerfile configuration
+          bundler: 1.17.2
       - name: Install Pandoc
         run: sudo apt-get install -y pandoc
       - name: Install Jekyll dependencies