diff --git a/.github/workflows/bip32.yml b/.github/workflows/bip32.yml
index 6367b700..ada3210b 100644
--- a/.github/workflows/bip32.yml
+++ b/.github/workflows/bip32.yml
@@ -31,7 +31,7 @@ jobs:
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
@@ -55,7 +55,7 @@ jobs:
           - stable
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
diff --git a/.github/workflows/canonical-path.yml b/.github/workflows/canonical-path.yml
index f201e05a..a976fc06 100644
--- a/.github/workflows/canonical-path.yml
+++ b/.github/workflows/canonical-path.yml
@@ -30,7 +30,7 @@ jobs:
           - stable
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
@@ -42,7 +42,7 @@ jobs:
   wasm:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
diff --git a/.github/workflows/hkd32.yml b/.github/workflows/hkd32.yml
index 9eb1bc3a..c3eb8cc7 100644
--- a/.github/workflows/hkd32.yml
+++ b/.github/workflows/hkd32.yml
@@ -30,7 +30,7 @@ jobs:
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
@@ -54,7 +54,7 @@ jobs:
           - stable
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
diff --git a/.github/workflows/iqhttp.yml b/.github/workflows/iqhttp.yml
index 26c9d541..1076f635 100644
--- a/.github/workflows/iqhttp.yml
+++ b/.github/workflows/iqhttp.yml
@@ -30,7 +30,7 @@ jobs:
           - stable
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
diff --git a/.github/workflows/secrecy.yml b/.github/workflows/secrecy.yml
index e8713bdf..627dc609 100644
--- a/.github/workflows/secrecy.yml
+++ b/.github/workflows/secrecy.yml
@@ -30,7 +30,7 @@ jobs:
           - stable
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
@@ -42,7 +42,7 @@ jobs:
   wasm:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
diff --git a/.github/workflows/security_audit.yml b/.github/workflows/security_audit.yml
index 4c05c73b..6d38a631 100644
--- a/.github/workflows/security_audit.yml
+++ b/.github/workflows/security_audit.yml
@@ -16,7 +16,7 @@ jobs:
     name: Security Audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
diff --git a/.github/workflows/signatory.yml b/.github/workflows/signatory.yml
index 1284d44e..994f988d 100644
--- a/.github/workflows/signatory.yml
+++ b/.github/workflows/signatory.yml
@@ -29,7 +29,7 @@ jobs:
           - stable
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
diff --git a/.github/workflows/subtle-encoding.yml b/.github/workflows/subtle-encoding.yml
index a6bbffc0..f94e958d 100644
--- a/.github/workflows/subtle-encoding.yml
+++ b/.github/workflows/subtle-encoding.yml
@@ -30,7 +30,7 @@ jobs:
           - stable
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
@@ -42,7 +42,7 @@ jobs:
   wasm:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
diff --git a/.github/workflows/workspace.yml b/.github/workflows/workspace.yml
index 79a07dd5..1c5abed7 100644
--- a/.github/workflows/workspace.yml
+++ b/.github/workflows/workspace.yml
@@ -9,7 +9,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
@@ -22,7 +22,7 @@ jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: 1.81.0 # pinned to prevent breakages
@@ -37,7 +37,7 @@ jobs:
   rustfmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
@@ -52,5 +52,5 @@ jobs:
   typos:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: crate-ci/typos@v1.33.1