diff --git a/.github/workflows/host_01_production.yml b/.github/workflows/host_01_production.yml
index e5483af..fb8cf1d 100644
--- a/.github/workflows/host_01_production.yml
+++ b/.github/workflows/host_01_production.yml
@@ -55,7 +55,7 @@ jobs:
         working-directory: ./production/host_01
 
       - name: Cache Terraform Plan 📦
-        uses: actions/cache/save@v4.0.2
+        uses: actions/cache/save@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
         with:
           path: ./production/host_01/**
           key: ${{ github.sha }}
@@ -74,7 +74,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Restore Terraform Plan 🗺️
-        uses: actions/cache/restore@v4.0.2
+        uses: actions/cache/restore@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
         with:
           path: ./production/host_01/**
           key: ${{ github.sha }}
diff --git a/.github/workflows/host_02_production.yml b/.github/workflows/host_02_production.yml
index f5dad85..5b0b0dc 100644
--- a/.github/workflows/host_02_production.yml
+++ b/.github/workflows/host_02_production.yml
@@ -55,7 +55,7 @@ jobs:
         working-directory: ./production/host_02
 
       - name: Cache Terraform Plan 📦
-        uses: actions/cache/save@v4.0.2
+        uses: actions/cache/save@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
         with:
           path: ./production/host_02/**
           key: ${{ github.sha }}
@@ -87,7 +87,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Restore Terraform Plan 🗺️
-        uses: actions/cache/restore@v4.0.2
+        uses: actions/cache/restore@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
         with:
           path: ./production/host_02/**
           key: ${{ github.sha }}