diff --git a/.github/workflows/ssh-cipher.yml b/.github/workflows/ssh-cipher.yml
index 1e1d4765..548f121d 100644
--- a/.github/workflows/ssh-cipher.yml
+++ b/.github/workflows/ssh-cipher.yml
@@ -36,7 +36,7 @@ jobs:
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: ${{ matrix.rust }}
@@ -52,7 +52,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/ssh-derive.yml b/.github/workflows/ssh-derive.yml
index 96050e05..42ccf314 100644
--- a/.github/workflows/ssh-derive.yml
+++ b/.github/workflows/ssh-derive.yml
@@ -31,7 +31,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/ssh-encoding.yml b/.github/workflows/ssh-encoding.yml
index da374740..c96c74fd 100644
--- a/.github/workflows/ssh-encoding.yml
+++ b/.github/workflows/ssh-encoding.yml
@@ -34,7 +34,7 @@ jobs:
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: ${{ matrix.rust }}
@@ -50,7 +50,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/ssh-key.yml b/.github/workflows/ssh-key.yml
index 3f1bb7de..80199ed1 100644
--- a/.github/workflows/ssh-key.yml
+++ b/.github/workflows/ssh-key.yml
@@ -40,7 +40,7 @@ jobs:
             rust: stable
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: ${{ matrix.rust }}
@@ -66,7 +66,7 @@ jobs:
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: ${{ matrix.rust }}
@@ -83,7 +83,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/ssh-protocol.yml b/.github/workflows/ssh-protocol.yml
index 172ac184..8859a622 100644
--- a/.github/workflows/ssh-protocol.yml
+++ b/.github/workflows/ssh-protocol.yml
@@ -28,7 +28,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/workspace.yml b/.github/workflows/workspace.yml
index e8a7988e..63cb7fad 100644
--- a/.github/workflows/workspace.yml
+++ b/.github/workflows/workspace.yml
@@ -18,7 +18,7 @@ jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: 1.85.0
@@ -28,7 +28,7 @@ jobs:
   doc:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: dtolnay/rust-toolchain@stable
         with:
@@ -38,7 +38,7 @@ jobs:
   rustfmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: stable