diff --git a/other/StandardBytecodeGenerator/Dockerfile b/other/StandardBytecodeGenerator/Dockerfile
index ebca3c7..b217e77 100644
--- a/other/StandardBytecodeGenerator/Dockerfile
+++ b/other/StandardBytecodeGenerator/Dockerfile
@@ -1,7 +1,7 @@
 # docker build . -t pydecipher/sbg
 # docker run --volume "$(pwd):/bc" pydecipher/sbg 2.7.15
 
-FROM ubuntu
+FROM ubuntu:18.04
 
 ENV DEBIAN_FRONTEND noninteractive