diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index d981143..32e42a3 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -45,13 +45,13 @@ jobs:
         otp-version: ${{ matrix.otp }}
 
     - name: Restore deps cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: deps
         key: ${{ runner.os }}-mix-{{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('**/mix.lock') }}
 
     - name: Restore _build cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: _build
         key: ${{ runner.os }}-build-${{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('**/mix.lock') }}
@@ -72,7 +72,7 @@ jobs:
       run: mix deps.compile
 
     - name: Restore Dialyzer cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: priv/plts
         key: ${{ runner.os }}-dialyzer-${{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('**/mix.lock') }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 68bd7a8..a0e0b4e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -73,7 +73,7 @@ jobs:
         otp-version: ${{ matrix.otp }}
 
     - name: Restore build and deps caches
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: |
           deps
@@ -119,7 +119,7 @@ jobs:
         otp-version: ${{ matrix.otp }}
 
     - name: Restore build and deps caches
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: |
           deps