diff --git a/.github/workflows/docs-quality.yml b/.github/workflows/docs-quality.yml
index db9c8bc..91a99dc 100644
--- a/.github/workflows/docs-quality.yml
+++ b/.github/workflows/docs-quality.yml
@@ -25,7 +25,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Restore lychee cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .lycheecache
           key: lychee-${{ runner.os }}
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 0f96aaf..cae92e5 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -42,7 +42,7 @@ jobs:
           python-version: "3.12"
 
       - name: Cache pip
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/pip
           key: pip-${{ runner.os }}-mkdocs
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index eee38ce..c1ceb6a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -217,7 +217,7 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
 
       - name: Cache cargo tools
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cargo/bin
           key: ${{ runner.os }}-cargo-sbom-tools
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index f06feb1..92195a2 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -44,7 +44,7 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
 
       - name: Cache cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry
@@ -156,7 +156,7 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
 
       - name: Cache cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry