diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 4a76a57..8b5e8fd 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -53,8 +53,9 @@ jobs:
       - name: Set up git credentials for gh-pages push
         run: |
           cd ${{ env.collection_dir }}
-          git config credential.helper \
-            '!f() { echo "username=x-access-token"; echo "password=${GITHUB_TOKEN}"; }; f'
+          BASIC_AUTH=$(echo -n "x-access-token:${GITHUB_TOKEN}" | base64)
+          git config --local http.https://github.com/.extraheader \
+            "AUTHORIZATION: basic ${BASIC_AUTH}"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 827e578..5be1577 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -60,8 +60,9 @@ jobs:
 
       - name: Set up git credentials
         run: |
-          git config credential.helper \
-            '!f() { echo "username=x-access-token"; echo "password=${GITHUB_TOKEN}"; }; f'
+          BASIC_AUTH=$(echo -n "x-access-token:${GITHUB_TOKEN}" | base64)
+          git config --local http.https://github.com/.extraheader \
+            "AUTHORIZATION: basic ${BASIC_AUTH}"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}