diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 8b01a2c..5cfcb67 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -46,7 +46,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Cache conda
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           # Increase this value to reset cache if environment.yml has not changed
           CACHE_NUMBER: 0
diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index d70d39f..5cccbe0 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -29,7 +29,7 @@ jobs:
           python-version: "3.x"
 
       - name: Cache pip
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('docs/doc_requirements.txt') }}