diff --git a/docker/tests/Dockerfile b/docker/tests/Dockerfile
index 023bd84..18ebe8e 100644
--- a/docker/tests/Dockerfile
+++ b/docker/tests/Dockerfile
@@ -56,6 +56,7 @@
 
 WORKDIR /robot-systest
 
+ARG CACHE_DATE=2021-03-01
 RUN git clone https://osm.etsi.org/gitlab/vnf-onboarding/osm-packages.git --recurse-submodules /robot-systest/osm-packages
 
 # Folder where Robot tests are stored