diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 6414b4d..57672b8 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -21,13 +21,13 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
-      - uses: luarocks/gh-actions-lua@master
+      - uses: luarocks/gh-actions-lua@fc6f8de246f8c01f6e1a56a1b851143e23370ff3 # master
         with:
           luaVersion: "5.4"
 
-      - uses: luarocks/gh-actions-luarocks@master
+      - uses: luarocks/gh-actions-luarocks@95d2308a0aff36ad31ebadca493ed14853399842 # master
         with:
           luaRocksVersion: "3.13.0"
 
diff --git a/.github/workflows/unix_build.yml b/.github/workflows/unix_build.yml
index a2ebf2c..8494df3 100644
--- a/.github/workflows/unix_build.yml
+++ b/.github/workflows/unix_build.yml
@@ -27,13 +27,13 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
-      - uses: luarocks/gh-actions-lua@master
+      - uses: luarocks/gh-actions-lua@fc6f8de246f8c01f6e1a56a1b851143e23370ff3 # master
         with:
           luaVersion: ${{ matrix.luaVersion }}
 
-      - uses: luarocks/gh-actions-luarocks@master
+      - uses: luarocks/gh-actions-luarocks@95d2308a0aff36ad31ebadca493ed14853399842 # master
         with:
           luaRocksVersion: "3.13.0"