diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index d1f255f..7ab8c4b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -30,7 +30,7 @@ jobs:
 
       - name: Load cached .venv
         id: cached-poetry-dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .venv
           key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}
@@ -76,7 +76,7 @@ jobs:
 
       - name: Load cached .venv
         id: cached-poetry-dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .venv
           key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}
@@ -119,7 +119,7 @@ jobs:
 
       - name: Load cached .venv
         id: cached-poetry-dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .venv
           key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}