diff --git a/projects/open62541/Dockerfile b/projects/open62541/Dockerfile
index 87bfb325f..55e298fc5 100644
--- a/projects/open62541/Dockerfile
+++ b/projects/open62541/Dockerfile
@@ -16,7 +16,7 @@
 
 FROM gcr.io/oss-fuzz-base/base-builder
 MAINTAINER git@s.profanter.me
-RUN apt-get update && apt-get install -y make cmake
+RUN apt-get update && apt-get install -y make cmake python-six
 RUN git clone --depth 1 https://github.com/open62541/open62541.git -bmaster open62541
 WORKDIR open62541
 RUN git submodule update --init --recursive