diff --git a/.github/workflows/cibuildwheel.yml b/.github/workflows/cibuildwheel.yml
index ef1f15a219..9cc508f441 100644
--- a/.github/workflows/cibuildwheel.yml
+++ b/.github/workflows/cibuildwheel.yml
@@ -39,7 +39,7 @@ jobs:
         with:
           python-version: '3.7'
 
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         id: numpy-cache
         with:
           path: numpy-aarch64-cache/
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 01fb18e065..e06fd1cf59 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -102,7 +102,7 @@ jobs:
           esac
 
       - name: Cache pip
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         if: startsWith(runner.os, 'Linux')
         with:
           path: ~/.cache/pip
@@ -110,7 +110,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-py${{ matrix.python-version }}-pip-
       - name: Cache pip
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         if: startsWith(runner.os, 'macOS')
         with:
           path: ~/Library/Caches/pip
@@ -118,7 +118,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-py${{ matrix.python-version }}-pip-
       - name: Cache ccache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: |
             ~/.ccache
@@ -126,7 +126,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-py${{ matrix.python-version }}-ccache-
       - name: Cache Matplotlib
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cache/matplotlib