diff --git a/.github/workflows/nightly-linux.yml b/.github/workflows/nightly-linux.yml
index 392cf55..70cbc4b 100644
--- a/.github/workflows/nightly-linux.yml
+++ b/.github/workflows/nightly-linux.yml
@@ -15,7 +15,7 @@ jobs:
 
     - name: Cargo-C Toolchain Cache
       id: linux-cargo-c-toolchain
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: |
           ~/.cargo/bin/cargo-capi
diff --git a/.github/workflows/nightly-mac.yml b/.github/workflows/nightly-mac.yml
index 3333ea2..6419f73 100644
--- a/.github/workflows/nightly-mac.yml
+++ b/.github/workflows/nightly-mac.yml
@@ -18,14 +18,14 @@ jobs:
 
     - name: Toolchain Cache
       id: mac-toolchain
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: ~/mac-toolchain
         key: ${{ runner.os }}-${{ runner.arch }}-toolchain
 
     - name: Cargo-C Toolchain Cache
       id: mac-cargo-c-toolchain
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: |
           ~/.cargo/bin/cargo-capi
diff --git a/.github/workflows/nightly-win.yml b/.github/workflows/nightly-win.yml
index 2ab4dad..4bd4ef1 100644
--- a/.github/workflows/nightly-win.yml
+++ b/.github/workflows/nightly-win.yml
@@ -142,7 +142,7 @@ jobs:
 
     - name: Cargo-C Toolchain Cache
       id: windows-cargo-c-toolchain
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: |
           ~/.cargo/bin/cargo-capi