diff --git a/.github/workflows/AzdevLinter.yml b/.github/workflows/AzdevLinter.yml
index a9a5c21dd5e..c297df3cbae 100644
--- a/.github/workflows/AzdevLinter.yml
+++ b/.github/workflows/AzdevLinter.yml
@@ -18,6 +18,10 @@ jobs:
     steps:
       - name: Checkout CLI extension repo
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+          sparse-checkout: |
+            .github
       - name: Azdev Env Setup
         uses: ./.github/actions/env-setup
       - name: Get Diff Files
@@ -46,6 +50,7 @@ jobs:
           cat changed_files
           cat changed_files | grep src/ | awk -F"src/" '{print $2}'| grep / | awk -F"/" '{print $1}' | sort | uniq
           echo "changed_module_list=$(cat changed_files | grep src/ | awk -F"src/" '{print $2}'| grep / | awk -F"/" '{print $1}' | sort | uniq | xargs)" >> $GITHUB_ENV
+          git checkout -f "$base_branch_pre"/"$base_branch"
       - name: Display PR Diff Modules
         run: |
           for mod in ${changed_module_list[@]}
@@ -77,6 +82,7 @@ jobs:
           # always use the latest index.json and scripts from base branch
           git checkout "$base_branch_pre"/"$base_branch" -- scripts
           git checkout "$base_branch_pre"/"$base_branch" -- src/index.json 
+          git checkout "$base_branch_pre"/"$base_branch" -- .github
           merge_base=$(git merge-base HEAD "$base_branch_pre"/"$base_branch")
           echo merge_base: "$merge_base"
           
diff --git a/.github/workflows/AzdevStyle.yml b/.github/workflows/AzdevStyle.yml
index 7c8e193afdc..2cea8c37efc 100644
--- a/.github/workflows/AzdevStyle.yml
+++ b/.github/workflows/AzdevStyle.yml
@@ -18,6 +18,10 @@ jobs:
     steps:
       - name: Checkout CLI extension repo
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+          sparse-checkout: |
+            .github
       - name: Azdev Env Setup
         uses: ./.github/actions/env-setup
       - name: Get Diff Files
@@ -46,6 +50,7 @@ jobs:
           cat changed_files
           cat changed_files | grep src/ | awk -F"src/" '{print $2}'| grep / | awk -F"/" '{print $1}' | sort | uniq
           echo "changed_module_list=$(cat changed_files | grep src/ | awk -F"src/" '{print $2}'| grep / | awk -F"/" '{print $1}' | sort | uniq | xargs)" >> $GITHUB_ENV
+          git checkout -f "$base_branch_pre"/"$base_branch"
       - name: Display PR Diff Modules
         run: |
           for mod in ${changed_module_list[@]}
@@ -76,7 +81,8 @@ jobs:
           git checkout -f "$diff_branch"
           # always use the latest index.json and scripts from base branch
           git checkout "$base_branch_pre"/"$base_branch" -- scripts
-          git checkout "$base_branch_pre"/"$base_branch" -- src/index.json 
+          git checkout "$base_branch_pre"/"$base_branch" -- src/index.json
+          git checkout "$base_branch_pre"/"$base_branch" -- .github
           merge_base=$(git merge-base HEAD "$base_branch_pre"/"$base_branch")
           echo merge_base: "$merge_base"