diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 52cb87f5..3c4f68dd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -35,7 +35,7 @@ jobs:
     steps:
       - name: Cache dependencies
         id: pip-cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: pip-os_${{ runner.os }}-python_${{ matrix.python-version }}-torch_${{ matrix.torch-version }}-sklearn_${{ matrix.sklearn-version }}
diff --git a/.github/workflows/doc-coverage.yml b/.github/workflows/doc-coverage.yml
index 4c5e3f45..8d7f0522 100644
--- a/.github/workflows/doc-coverage.yml
+++ b/.github/workflows/doc-coverage.yml
@@ -31,7 +31,7 @@ jobs:
     #  with:
     #    ref: main
     - uses: actions/checkout@v3
-    - uses: actions/cache@v1
+    - uses: actions/cache@v4
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 79dfdfa7..47b5862d 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -17,7 +17,7 @@ jobs:
     steps:
       - name: Cache dependencies
         id: pip-cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip
diff --git a/.github/workflows/release-pypi.yml b/.github/workflows/release-pypi.yml
index d6950119..fc6d5c8e 100644
--- a/.github/workflows/release-pypi.yml
+++ b/.github/workflows/release-pypi.yml
@@ -23,7 +23,7 @@ jobs:
     steps:
       - name: Cache dependencies
         id: pip-cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip