diff --git a/test/docker/Dockerfile b/test/docker/Dockerfile
index 026887097ac3b7dc13e6e429bf73c363e3adcbf3..92889dc526229475463ddcdfe6a2080a669b9d25 100644
--- a/test/docker/Dockerfile
+++ b/test/docker/Dockerfile
@@ -13,7 +13,7 @@ RUN  apt-get update \
     && apt-get install -f
 
 RUN pip3 install pylint pytest
-RUN pip3 install caosdb
+RUN pip3 install caosdb==0.5.1
 RUN pip3 install pandas xlrd==1.2.0
 RUN pip3 install git+https://gitlab.com/caosdb/caosdb-advanced-user-tools.git@dev
 # For automatic documentation