diff --git a/.github/workflows/cibuildwheel.yml b/.github/workflows/cibuildwheel.yml
index d969ad38d3..98be913107 100644
--- a/.github/workflows/cibuildwheel.yml
+++ b/.github/workflows/cibuildwheel.yml
@@ -40,7 +40,7 @@ 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 350dc3db12..c46f046253 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -113,7 +113,7 @@ jobs:
           esac
 
       - name: Cache pip
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         if: startsWith(runner.os, 'Linux')
         with:
           path: ~/.cache/pip
@@ -121,7 +121,7 @@ jobs:
           restore-keys: |
             ${{ matrix.os }}-py${{ 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
@@ -129,7 +129,7 @@ jobs:
           restore-keys: |
             ${{ matrix.os }}-py${{ matrix.python-version }}-pip-
       - name: Cache ccache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: |
             ~/.ccache
@@ -137,7 +137,7 @@ jobs:
           restore-keys: |
             ${{ matrix.os }}-py${{ matrix.python-version }}-ccache-
       - name: Cache Matplotlib
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cache/matplotlib