diff --git a/.github/workflows/e2e-cache-freethreaded.yml b/.github/workflows/e2e-cache-freethreaded.yml
index 4e9203cc..d3beb5ba 100644
--- a/.github/workflows/e2e-cache-freethreaded.yml
+++ b/.github/workflows/e2e-cache-freethreaded.yml
@@ -187,7 +187,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           cache: 'pip'
-          pip-version: 25.0.1
+          pip-version: '25.0.1'
       - name: Install dependencies
         run: pip install numpy pandas requests
 
@@ -216,6 +216,6 @@ jobs:
           python-version: ${{ matrix.python-version }}
           cache: 'pip'
           cache-dependency-path: __tests__/data/requirements.txt
-          pip-version: 25.0.1
+          pip-version: '25.0.1'
       - name: Install dependencies
         run: pip install numpy pandas requests
diff --git a/.github/workflows/e2e-cache.yml b/.github/workflows/e2e-cache.yml
index 621d496c..76a8f8c5 100644
--- a/.github/workflows/e2e-cache.yml
+++ b/.github/workflows/e2e-cache.yml
@@ -274,7 +274,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           cache: 'pip'
-          pip-version: 25.0.1
+          pip-version: '25.0.1'
       - name: Install dependencies
         run: pip install numpy pandas requests
 
@@ -303,6 +303,6 @@ jobs:
           python-version: ${{ matrix.python-version }}
           cache: 'pip'
           cache-dependency-path: __tests__/data/requirements.txt
-          pip-version: 25.0.1
+          pip-version: '25.0.1'
       - name: Install dependencies
         run: pip install numpy pandas requests