diff --git a/vault/Dockerfile b/vault/Dockerfile
index ea606b5..ca1ccd3 100644
--- a/vault/Dockerfile
+++ b/vault/Dockerfile
@@ -1,4 +1,4 @@
-FROM hashicorp/vault:1.20.0
+FROM hashicorp/vault:1.21.4
 USER root
 
 RUN mkdir -p /vault/plugins