diff --git a/.github/workflows/build-canaryv3.yml b/.github/workflows/build-canaryv3.yml
index 6141d1a..1e70945 100644
--- a/.github/workflows/build-canaryv3.yml
+++ b/.github/workflows/build-canaryv3.yml
@@ -22,9 +22,9 @@ jobs:
     - name: Install SSH key
       uses: shimataro/ssh-key-action@v2
       with:
-        key: ${{ vars.SSH_KEY }}
+        key: ${{ secrets.SSH_KEY }}
         name: id_rsa
-        known_hosts: ${{ vars.KNOWN_HOSTS }}
+        known_hosts: ${{ secrets.KNOWN_HOSTS }}
         if_key_exists: replace
     
     - name: Update APT Cache
diff --git a/.github/workflows/build-nestv3.yml b/.github/workflows/build-nestv3.yml
index 2735ca3..cdd416e 100644
--- a/.github/workflows/build-nestv3.yml
+++ b/.github/workflows/build-nestv3.yml
@@ -22,9 +22,9 @@ jobs:
     - name: Install SSH key
       uses: shimataro/ssh-key-action@v2
       with:
-        key: ${{ vars.SSH_KEY }}
+        key: ${{ secrets.SSH_KEY }}
         name: id_rsa
-        known_hosts: ${{ vars.KNOWN_HOSTS }}
+        known_hosts: ${{ secrets.KNOWN_HOSTS }}
         if_key_exists: replace
     
     - name: Update APT Cache
diff --git a/.github/workflows/release-canaryv3.yml b/.github/workflows/release-canaryv3.yml
index a62eae8..ed29aeb 100644
--- a/.github/workflows/release-canaryv3.yml
+++ b/.github/workflows/release-canaryv3.yml
@@ -22,9 +22,9 @@ jobs:
     - name: Install SSH key
       uses: shimataro/ssh-key-action@v2
       with:
-        key: ${{ vars.SSH_KEY }}
+        key: ${{ secrets.SSH_KEY }}
         name: id_rsa
-        known_hosts: ${{ vars.KNOWN_HOSTS }}
+        known_hosts: ${{ secrets.KNOWN_HOSTS }}
         if_key_exists: replace
     
     - name: Update APT Cache
diff --git a/.github/workflows/release-nestv3.yml b/.github/workflows/release-nestv3.yml
index f2cc7fd..674b5f1 100644
--- a/.github/workflows/release-nestv3.yml
+++ b/.github/workflows/release-nestv3.yml
@@ -22,9 +22,9 @@ jobs:
     - name: Install SSH key
       uses: shimataro/ssh-key-action@v2
       with:
-        key: ${{ vars.SSH_KEY }}
+        key: ${{ secrets.SSH_KEY }}
         name: id_rsa
-        known_hosts: ${{ vars.KNOWN_HOSTS }}
+        known_hosts: ${{ secrets.KNOWN_HOSTS }}
         if_key_exists: replace
     
     - name: Update APT Cache