diff --git a/Dockerfile b/Dockerfile
index 52b5926..7106978 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM gnzsnz/ib-gateway:10.47.1b
+FROM gnzsnz/ib-gateway:10.47.1c
 
 USER root
 RUN apt-get update && \