diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index 7f52c05..d13f182 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -41,7 +41,7 @@ jobs:
           virtualenvs-in-project: true
 
       - name: Load cached dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: backend/.venv
           key: venv-${{ runner.os }}-${{ env.PYTHON_VERSION }}-${{ hashFiles('backend/poetry.lock') }}
@@ -94,7 +94,7 @@ jobs:
           virtualenvs-in-project: true
 
       - name: Load cached dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: backend/.venv
           key: venv-${{ runner.os }}-${{ env.PYTHON_VERSION }}-${{ hashFiles('backend/poetry.lock') }}
@@ -186,7 +186,7 @@ jobs:
           virtualenvs-in-project: true
 
       - name: Load cached dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: backend/.venv
           key: venv-${{ runner.os }}-${{ env.PYTHON_VERSION }}-${{ hashFiles('backend/poetry.lock') }}
@@ -268,7 +268,7 @@ jobs:
           virtualenvs-in-project: true
 
       - name: Load cached dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: backend/.venv
           key: venv-${{ runner.os }}-${{ env.PYTHON_VERSION }}-${{ hashFiles('backend/poetry.lock') }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1acb32a..f8dda60 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Install Poetry
         run: pip install poetry
       - name: Cache Poetry virtualenvs
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/pypoetry/virtualenvs
           key: ${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('backend/poetry.lock') }}
@@ -77,7 +77,7 @@ jobs:
       - name: Install Poetry
         run: pip install poetry
       - name: Cache Poetry virtualenvs
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/pypoetry/virtualenvs
           key: ${{ runner.os }}-3.11-${{ hashFiles('backend/poetry.lock') }}
@@ -112,7 +112,7 @@ jobs:
       - name: Install Poetry
         run: pip install poetry
       - name: Cache Poetry virtualenvs
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/pypoetry/virtualenvs
           key: ${{ runner.os }}-3.11-${{ hashFiles('backend/poetry.lock') }}
@@ -135,7 +135,7 @@ jobs:
       - name: Install Poetry
         run: pip install poetry
       - name: Cache Poetry virtualenvs
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/pypoetry/virtualenvs
           key: ${{ runner.os }}-3.11-${{ hashFiles('backend/poetry.lock') }}
diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 80fd63b..d1956d3 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -42,7 +42,7 @@ jobs:
           virtualenvs-in-project: true
 
       - name: Load cached dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: backend/.venv
           key: venv-${{ runner.os }}-${{ env.PYTHON_VERSION }}-${{ hashFiles('backend/poetry.lock') }}
@@ -120,7 +120,7 @@ jobs:
           virtualenvs-in-project: true
 
       - name: Load cached dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: backend/.venv
           key: venv-${{ runner.os }}-${{ env.PYTHON_VERSION }}-${{ hashFiles('backend/poetry.lock') }}