diff --git a/Dockerfile b/Dockerfile
index b1c4ce2..3b6ffad 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM        debian:jessie-slim
 MAINTAINER  Freelock john@freelock.com
 
 # Build time variables
-ENV LSMB_VERSION 1.5.20
+ENV LSMB_VERSION 1.5.21
 
 
 # Install Perl, Tex, Starman, psql client, and all dependencies