diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index aceeb88..622a98b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -32,7 +32,7 @@ jobs:
           virtualenvs-in-project: true
 
       - name: Cache Poetry dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: .venv
           key: ${{ runner.os }}-poetry-${{ hashFiles('**/poetry.lock') }}
@@ -61,7 +61,7 @@ jobs:
         uses: snok/install-poetry@v1
 
       - name: Cache Poetry dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: .venv
           key: ${{ runner.os }}-poetry-${{ hashFiles('**/poetry.lock') }}
@@ -100,7 +100,7 @@ jobs:
           virtualenvs-in-project: true
 
       - name: Cache Poetry dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: .venv
           key: ${{ runner.os }}-poetry-${{ hashFiles('**/poetry.lock') }}
@@ -133,7 +133,7 @@ jobs:
           virtualenvs-in-project: true
 
       - name: Cache Poetry dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: .venv
           key: ${{ runner.os }}-poetry-${{ hashFiles('**/poetry.lock') }}
@@ -165,7 +165,7 @@ jobs:
         uses: snok/install-poetry@v1
 
       - name: Cache Poetry dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: .venv
           key: ${{ runner.os }}-poetry-${{ hashFiles('**/poetry.lock') }}