diff --git a/Dockerfile b/Dockerfile
index 89cc1ac..b48148a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,8 +2,8 @@ FROM alpine
 
 LABEL maintainer "Knut Ahlers <knut@luzifer.io>"
 
-ENV VAULT_VERSION 0.9.0
-ENV VAULT_HASH 801ce0ceaab4d2e59dbb35ea5191cfe8e6f36bb91500e86bec2d154172de59a4
+ENV VAULT_VERSION 0.9.1
+ENV VAULT_HASH 6308013ee0d6278e98cdfe8d6de0162102a8d25f3bcd1e3737bf7b022a9f6702
 
 ADD https://releases.hashicorp.com/vault/${VAULT_VERSION}/vault_${VAULT_VERSION}_linux_amd64.zip /tmp/vault.zip