diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 2b77a3ec09..02335d309a 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -37,11 +37,11 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@8a470fddafa5cbb6266ee11b37ef4d8aae19c571 # v3.24.6
+        uses: github/codeql-action/init@1b1aada464948af03b950897e5eb522f92603cc2 # v3.24.9
         with:
           languages: ${{ matrix.language }}
           # If you wish to specify custom queries, you can do so here or in a config file.
@@ -52,7 +52,7 @@ jobs:
       # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
       # If this step fails, then you should remove it and run the build manually (see below)
       - name: Autobuild
-        uses: github/codeql-action/autobuild@8a470fddafa5cbb6266ee11b37ef4d8aae19c571 # v3.24.6
+        uses: github/codeql-action/autobuild@1b1aada464948af03b950897e5eb522f92603cc2 # v3.24.9
 
       # ℹ️ Command-line programs to run using the OS shell.
       # 📚 https://git.io/JvXDl
@@ -66,4 +66,4 @@ jobs:
       #   make release
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@8a470fddafa5cbb6266ee11b37ef4d8aae19c571 # v3.24.6
+        uses: github/codeql-action/analyze@1b1aada464948af03b950897e5eb522f92603cc2 # v3.24.9
diff --git a/.github/workflows/ion-java-performance-regression-detector.yml b/.github/workflows/ion-java-performance-regression-detector.yml
index 9608fa3491..41b242b974 100644
--- a/.github/workflows/ion-java-performance-regression-detector.yml
+++ b/.github/workflows/ion-java-performance-regression-detector.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout ion-data-generator
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
         with:
           repository: amazon-ion/ion-data-generator
           ref: main
@@ -58,27 +58,27 @@ jobs:
 
     steps:
       - name: Set up JDK 11
-        uses: actions/setup-java@v4.1.0
+        uses: actions/setup-java@v4.2.1
         with:
           distribution: 'corretto'
           java-version: 11
 
       - name: Checkout ion-java-benchmark-cli
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
         with:
           repository: amazon-ion/ion-java-benchmark-cli
           ref: master
           path: ion-java-benchmark-cli
 
       - name: Checkout ion-java from the previous commit
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
         with:
           ref: ${{ github.base_ref }}
           submodules: recursive
           path: baseline
 
       - name: Checkout ion-java from the new commit.
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
         with:
           repository: ${{ github.event.pull_request.head.repo.full_name }}
           ref: ${{ github.head_ref }}
diff --git a/.github/workflows/ion-test-driver.yml b/.github/workflows/ion-test-driver.yml
index f2a3ece17f..3c457d7c2b 100644
--- a/.github/workflows/ion-test-driver.yml
+++ b/.github/workflows/ion-test-driver.yml
@@ -13,14 +13,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout ion-java
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # master
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # master
         with:
           repository: amazon-ion/ion-java
           ref: master
           path: ion-java
 
       - name: Checkout ion-test-driver
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # master
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # master
         with:
           repository: amazon-ion/ion-test-driver
           ref: master
@@ -80,7 +80,7 @@ jobs:
     needs: ion-test-driver
     if: ${{ failure() }}
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # master
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # master
       - name: Open an issue
         uses: JasonEtco/create-an-issue@1b14a70e4d8dc185e5cc76d3bec9eab20257b2c5 # v2.9.2
         env:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2665f2b6ab..2e319ac944 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,12 +20,12 @@ jobs:
           - java: 17
       fail-fast: false
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
         with:
           submodules: recursive
-      - uses: gradle/wrapper-validation-action@699bb18358f12c5b78b37bb0111d3a0e2276e0e2 # v2.1.1
+      - uses: gradle/wrapper-validation-action@b231772637bb498f11fdbc86052b6e8a8dc9fc92 # v2.1.2
       - name: Use java ${{ matrix.java }}
-        uses: actions/setup-java@9704b39bf258b59bc04b50fa2dd55e9ed76b47a8 # v4.1.0
+        uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9 # v4.2.1
         with:
           distribution: 'corretto'
           java-version: ${{ matrix.java }}
@@ -53,7 +53,7 @@ jobs:
     # https://github.com/amazon-ion/ion-java/blob/master/.github/actions/inspect-version/action.yml
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v3.6.0
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v3.6.0
       - name: Get Project Version
         run: |
           echo "PROJECT_VERSION=v$(<project.version)" >> $GITHUB_ENV
diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
index 49669c486e..cce1d2c5ca 100644
--- a/.github/workflows/prepare-release.yml
+++ b/.github/workflows/prepare-release.yml
@@ -44,7 +44,7 @@ jobs:
     outputs:
       should_create_draft: ${{ steps.inspect.outputs.is_valid_to_release }}
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v3.6.0
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v3.6.0
       - name: Get project version
         run: |
           echo "PROJECT_VERSION=$(<project.version)" >> $GITHUB_ENV
@@ -65,7 +65,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v3.6.0
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v3.6.0
       - name: Create a draft release
         shell: bash
         env:
diff --git a/.github/workflows/publish-release-artifacts.yml b/.github/workflows/publish-release-artifacts.yml
index a1f08dd7d3..737c0d20c4 100644
--- a/.github/workflows/publish-release-artifacts.yml
+++ b/.github/workflows/publish-release-artifacts.yml
@@ -29,7 +29,7 @@ jobs:
     # First, a sanity check to ensure that the library version matches the release version
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v3.6.0
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v3.6.0
       - name: Validate project version matches tag
         shell: bash
         run: |
@@ -48,7 +48,7 @@ jobs:
     steps:
         # TODO: replace with artifact upload/download -- make sure there's no race condition with other builds also
         # uploading an artifact.
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v3.6.0
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v3.6.0
         with:
           submodules: recursive
       - uses: gradle/gradle-build-action@29c0906b64b8fc82467890bfb7a0a7ef34bda89e # v3.1.0
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index ff7e79a330..894181fb48 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v3.1.0
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v3.1.0
         with:
           persist-credentials: false
 
@@ -67,6 +67,6 @@ jobs:
 
       # Upload the results to GitHub's code scanning dashboard.
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@8a470fddafa5cbb6266ee11b37ef4d8aae19c571 # v3.24.6
+        uses: github/codeql-action/upload-sarif@1b1aada464948af03b950897e5eb522f92603cc2 # v3.24.9
         with:
           sarif_file: results.sarif
diff --git a/.github/workflows/test-inspect-version-action.yml b/.github/workflows/test-inspect-version-action.yml
index 2eb8532430..ec1e7c0550 100644
--- a/.github/workflows/test-inspect-version-action.yml
+++ b/.github/workflows/test-inspect-version-action.yml
@@ -53,7 +53,7 @@ jobs:
             expected: action_failure
 
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v3.6.0
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v3.6.0
       - name: Invoke Action
         id: inspect
         continue-on-error: ${{ matrix.expected == 'action_failure' }}