diff --git a/roles/vault_ssh_keys/tasks/main.yml b/roles/vault_ssh_keys/tasks/main.yml
index 428387f..a6cd9c7 100755
--- a/roles/vault_ssh_keys/tasks/main.yml
+++ b/roles/vault_ssh_keys/tasks/main.yml
@@ -47,15 +47,19 @@
     - name: Add HashiCorp APT repository
       ansible.builtin.apt_repository:
         repo: >-
-          deb [arch={{ ansible_architecture }} signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg]
+          deb [arch={{ 'arm64' if ansible_architecture == 'aarch64'
+          else 'amd64' if ansible_architecture == 'x86_64'
+          else ansible_architecture }}
+          signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg]
           https://apt.releases.hashicorp.com {{ ubuntu_codename }} main
         filename: hashicorp
         state: present
+        update_cache: false
 
-    - name: Update apt cache
+    - name: Update APT cache
       ansible.builtin.apt:
-        update_cache: yes
-
+        update_cache: true
+        
     - name: Install Vault
       apt:
         name: vault