diff --git a/.github/workflows/check_graalvm.yml b/.github/workflows/check_graalvm.yml
index b524e14bf..b8904c36e 100644
--- a/.github/workflows/check_graalvm.yml
+++ b/.github/workflows/check_graalvm.yml
@@ -18,7 +18,7 @@ jobs:
             transport: native
 
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: Set up JDK 1.8
         uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
         with:
diff --git a/.github/workflows/check_netty_snapshots.yml b/.github/workflows/check_netty_snapshots.yml
index d81e76c3e..ae74b344f 100644
--- a/.github/workflows/check_netty_snapshots.yml
+++ b/.github/workflows/check_netty_snapshots.yml
@@ -22,7 +22,7 @@ jobs:
             transport: native
 
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: Set up JDK 1.8
         uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
         with:
diff --git a/.github/workflows/check_reactor_core_3.6_snapshots.yml b/.github/workflows/check_reactor_core_3.6_snapshots.yml
index 9df7645fb..d42882aae 100644
--- a/.github/workflows/check_reactor_core_3.6_snapshots.yml
+++ b/.github/workflows/check_reactor_core_3.6_snapshots.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
         with:
           ref: '1.1.x'
       - name: Set up JDK 1.8
diff --git a/.github/workflows/check_transport.yml b/.github/workflows/check_transport.yml
index ac1dea253..1ace647c8 100644
--- a/.github/workflows/check_transport.yml
+++ b/.github/workflows/check_transport.yml
@@ -8,7 +8,7 @@ jobs:
     name: preliminary sanity checks
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
         with:
           fetch-depth: 0 #needed by spotless
       - uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
@@ -50,7 +50,7 @@ jobs:
           - os: windows-2019
             transport: native
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - uses: gradle/actions/wrapper-validation@d156388eb19639ec20ade50009f3d199ce1e2808
       - name: Set up JDK 1.8
         uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index b7d06c547..636657559 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -52,7 +52,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 77e6b2c2d..341eba56b 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -21,7 +21,7 @@ jobs:
       versionType: ${{ steps.version.outputs.versionType }}
       fullVersion: ${{ steps.version.outputs.fullVersion }}
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: setup java
         uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
         with:
@@ -41,7 +41,7 @@ jobs:
     name: reactor-netty-http
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: setup java
         uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
         with:
@@ -55,7 +55,7 @@ jobs:
     name: reactor-netty-http-brave
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: setup java
         uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
         with:
@@ -69,7 +69,7 @@ jobs:
     name: reactor-netty-incubator-quic
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: setup java
         uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
         with:
@@ -85,7 +85,7 @@ jobs:
   build-branch-doc:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: Set up Ruby for asciidoctor-pdf
         uses: ruby/setup-ruby@f26937343756480a8cb3ae1f623b9c8d89ed6984 # v1
         with:
@@ -118,7 +118,7 @@ jobs:
     if: needs.reactor-netty-core.outputs.versionType == 'SNAPSHOT'
     environment: snapshots
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
         with:
           distribution: 'temurin'
@@ -143,7 +143,7 @@ jobs:
     if: needs.reactor-netty-core.outputs.versionType == 'MILESTONE'
     environment: releases
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
         with:
           distribution: 'temurin'
@@ -170,7 +170,7 @@ jobs:
     if: needs.reactor-netty-core.outputs.versionType == 'RELEASE'
     environment: releases
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
         with:
           distribution: 'temurin'
@@ -198,7 +198,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: tag
         run: |
           git config --local user.name 'reactorbot'
@@ -213,7 +213,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: tag
         run: |
           git config --local user.name 'reactorbot'