diff --git a/.github/workflows/code_coverage.yml b/.github/workflows/code_coverage.yml
index 8058883..564c5a2 100644
--- a/.github/workflows/code_coverage.yml
+++ b/.github/workflows/code_coverage.yml
@@ -16,7 +16,7 @@ jobs:
       options: --security-opt seccomp=unconfined
     steps:
       - name: Checkout repository
-        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/daily_tests.yml b/.github/workflows/daily_tests.yml
index 549d3ba..52b0486 100644
--- a/.github/workflows/daily_tests.yml
+++ b/.github/workflows/daily_tests.yml
@@ -16,7 +16,7 @@ jobs:
           - nightly
     steps:
       - name: Checkout sources
-        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
 
       - name: Install toolchain
         uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af
diff --git a/.github/workflows/lints.yml b/.github/workflows/lints.yml
index f047727..b4e903a 100644
--- a/.github/workflows/lints.yml
+++ b/.github/workflows/lints.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
 
       - name: Install stable toolchain
         uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af
diff --git a/.github/workflows/security_audit.yml b/.github/workflows/security_audit.yml
index 4122b21..d606ed4 100644
--- a/.github/workflows/security_audit.yml
+++ b/.github/workflows/security_audit.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
         with:
           persist-credentials: false
           ref: master
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ff6ac76..0f2ff58 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
         with:
           persist-credentials: false
       
@@ -70,7 +70,7 @@ jobs:
         arch:
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
         with:
           persist-credentials: false
       - uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af
@@ -93,7 +93,7 @@ jobs:
           - armv7-unknown-linux-gnueabihf
           - powerpc64-unknown-linux-gnu
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
         with:
           persist-credentials: false
       - uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af