diff --git a/vault/README.md b/vault/README.md
index d5cc6c1..406b2bc 100644
--- a/vault/README.md
+++ b/vault/README.md
@@ -18,7 +18,8 @@ vault:
   volumes:
     - vault/vault.crt:/etc/vault/vault.crt
     - vault/vault.key:/etc/vault/vault.key
-  privileged: true
+  cap_add:
+    - IPC_LOCK
   restart: always
 ```
 
diff --git a/vault/docker-compose.yml b/vault/docker-compose.yml
index a8513dc..0a398e8 100644
--- a/vault/docker-compose.yml
+++ b/vault/docker-compose.yml
@@ -5,5 +5,6 @@ vault:
   volumes:
     - vault/vault.crt:/etc/vault/vault.crt
     - vault/vault.key:/etc/vault/vault.key
-  privileged: true
+  cap_add:
+    - IPC_LOCK
   restart: always