diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7687b1b8cd4..befdb654419 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -92,6 +92,8 @@ jobs:
   tests-unix:
     name: tests / ${{ matrix.python }} / ${{ matrix.os }}
     runs-on: ${{ matrix.os }}-latest
+    env:
+      GIT_PROTOCOL_FROM_USER: '1'
 
     needs: [packaging, determine-changes]
     if: >-
@@ -214,6 +216,8 @@ jobs:
   tests-zipapp:
     name: tests / zipapp
     runs-on: ubuntu-latest
+    env:
+      GIT_PROTOCOL_FROM_USER: '1'
 
     needs: [packaging, determine-changes]
     if: >-
@@ -246,6 +250,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       _PIP_USE_IMPORTLIB_METADATA: 'true'
+      GIT_PROTOCOL_FROM_USER: '1'
 
     needs: [packaging, determine-changes]
     if: >-