diff --git a/.github/workflows/doc-generator.yml b/.github/workflows/doc-generator.yml
index 51ae110d..3423de16 100644
--- a/.github/workflows/doc-generator.yml
+++ b/.github/workflows/doc-generator.yml
@@ -15,7 +15,7 @@ jobs:
         uses: crystal-lang/install-crystal@56684e85b94c6340f5035965d57dcfdedd1ab0de
         with:
           crystal: "1.15.1"
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - name: Run generator tests
         run: crystal spec ./document-generator/spec/*
   comment_on_failed_test:
@@ -27,7 +27,7 @@ jobs:
         uses: crystal-lang/install-crystal@56684e85b94c6340f5035965d57dcfdedd1ab0de
         with:
           crystal: "1.15.1"
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - name: Run generator tests
         run: crystal document-generator/scripts/check_docs.cr
       - name: Comment on PR if test failed
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c61cbdc7..f3dc3ed2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
     container:
       image: crystallang/crystal:1.17
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - name: Run generator tests
         run: crystal spec test-generator
   test-generator-templates:
@@ -24,7 +24,7 @@ jobs:
     container:
       image: crystallang/crystal:1.17
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - name: Check generator templates tests
         run: ./bin/test_specs
   template:
@@ -33,7 +33,7 @@ jobs:
     container:
       image: crystallang/crystal:1.17
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - name: Run file formatting
         run: crystal ./bin/check-format.cr
   exercises:
@@ -46,7 +46,7 @@ jobs:
     container:
       image: crystallang/crystal:${{ matrix.crystal }}
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - name: Install jq
         run: apt-get update && apt-get install -y jq
       - name: Run tests
@@ -61,6 +61,6 @@ jobs:
           crystal: "1.15.1"
       - name: 'Setup jq'
         run: choco install jq
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - name: Run tests
         run: ./bin/test-exercises.ps1