diff --git a/docker-compose/pypcc-sim/Dockerfile b/docker-compose/pypcc-sim/Dockerfile
index b39d4a09b8f2e78d1d274adffe9adf4f9fedcc42..bb8e36721b8197d86f7f2b5259bba4568e779282 100644
--- a/docker-compose/pypcc-sim/Dockerfile
+++ b/docker-compose/pypcc-sim/Dockerfile
@@ -2,7 +2,7 @@ FROM ubuntu:20.04
 
 RUN apt-get update && apt-get install -y python3 python3-pip python3-yaml git
 
-RUN pip3 install opcua numpy
+RUN pip3 install opcua numpy recordclass
 
 RUN git clone https://git.astron.nl/lofar2.0/pypcc
 RUN cd pypcc && touch pylibi2c.py