diff --git a/.github/workflows/benchmarking.yml b/.github/workflows/benchmarking.yml
index 089e0e0d76..5196d3178f 100644
--- a/.github/workflows/benchmarking.yml
+++ b/.github/workflows/benchmarking.yml
@@ -9,9 +9,9 @@ jobs:
     name: Continuous benchmarking
     runs-on: ubuntu-ghcloud
     steps:
-      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # pin@v3
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # pin@v3
       - name: Get old benchmarks
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # pin@v3
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # pin@v3
         with:
           ref: gh-pages
           path: gh-pages
diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 08e82133dd..748fef6dce 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -20,7 +20,7 @@ jobs:
       RUSTFLAGS: -D warnings
       CARGO_TERM_COLOR: always
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: llvm-tools-preview
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index ea2911f84f..5267f3186e 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # pin@v3
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # pin@v3
 
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af # pin@v1
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index ce380a10e2..98384f7f2e 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -37,7 +37,7 @@ jobs:
           - fastcrypto-zkp
     steps:
       - name: Checkout
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # pin@v3
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # pin@v3
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af # pin@v1
         with:
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index b303d62e17..721c3e9998 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -34,7 +34,7 @@ jobs:
     name: license-check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # pin@v3
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # pin@v3
       - uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af # pin@v1
       - run: scripts/license_check.sh
 
@@ -49,7 +49,7 @@ jobs:
     env:
       RUSTFLAGS: -D warnings
     steps:
-      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # pin@v3
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # pin@v3
       - uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af # pin@v1
       - uses: taiki-e/install-action@d30f7ecb94d4d882276efb3967be14b8ef34d289 # pin@nextest
       # make sure benches don't bit-rot
@@ -69,7 +69,7 @@ jobs:
   clippy:
     runs-on: ubuntu-ghcloud
     steps:
-      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # pin@v3
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # pin@v3
       - uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af # pin@v1
         with:
           components: clippy
@@ -80,7 +80,7 @@ jobs:
   rustfmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # pin@v3
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # pin@v3
       - uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af # pin@v1
         with:
           components: rustfmt
@@ -94,5 +94,5 @@ jobs:
     name: cargo-deny (advisories, licenses, bans, ...)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # pin@v3
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # pin@v3
       - uses: EmbarkStudios/cargo-deny-action@e0a440755b184aa50374330fa75cca0f84fcb59a # pin@v1