diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c4f2fb2..183f37e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,7 +32,7 @@ jobs:
         components: clippy, rustfmt
     
     - name: Cache cargo registry
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           ~/.cargo/registry
@@ -70,7 +70,7 @@ jobs:
         components: clippy, rust-src, llvm-tools, rustfmt, rustc-dev
     
     - name: Cache cargo registry
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           ~/.cargo/registry
@@ -93,7 +93,7 @@ jobs:
         components: clippy
     
     - name: Cache cargo registry
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           ~/.cargo/registry
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index f37f50a..3109b6f 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -27,7 +27,7 @@ jobs:
         components: rust-docs
 
     - name: Cache cargo registry
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           ~/.cargo/registry
diff --git a/.github/workflows/github_pages.yml b/.github/workflows/github_pages.yml
index 2a00bbb..ba8171f 100644
--- a/.github/workflows/github_pages.yml
+++ b/.github/workflows/github_pages.yml
@@ -32,7 +32,7 @@ jobs:
         components: rust-docs
 
     - name: Cache cargo registry
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           ~/.cargo/registry
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index ea5b0c6..2ba2188 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -25,7 +25,7 @@ jobs:
         components: clippy, rust-src, llvm-tools, rustfmt, rustc-dev
     
     - name: Cache cargo registry
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           ~/.cargo/registry
@@ -74,7 +74,7 @@ jobs:
       uses: dtolnay/rust-toolchain@stable
     
     - name: Cache cargo registry
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           ~/.cargo/registry
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f67ed38..8ae946b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -58,7 +58,7 @@ jobs:
         targets: ${{ matrix.target }}
     
     - name: Cache cargo registry
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           ~/.cargo/registry
@@ -125,7 +125,7 @@ jobs:
       uses: dtolnay/rust-toolchain@stable
     
     - name: Cache cargo registry
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           ~/.cargo/registry