diff --git a/jjb/integration/include-raw-integration-install-robotframework.sh b/jjb/integration/include-raw-integration-install-robotframework.sh
index 84553e0..d10b0f0 100644
--- a/jjb/integration/include-raw-integration-install-robotframework.sh
+++ b/jjb/integration/include-raw-integration-install-robotframework.sh
@@ -18,7 +18,7 @@
 # Make sure pip itself us up-to-date.
 pip install --upgrade pip
 
-pip install --no-binary pycparser==2.20
+pip install --no-binary pycparser==2.20 pycparser==2.20
 pip install pyOpenSSL==16.2.0 docker-py==1.10.6 importlib==1.0.4 requests==2.25.1 scapy==2.4.4 netifaces==0.10.9 netaddr==0.8.0 ipaddr==2.2.0 simplejson==3.17.2 demjson==2.2.4
 pip install robotframework-httplibrary==0.4.2 robotframework-requests==0.8.2 robotframework-sshlibrary==3.6.0 robotframework-selenium2library==1.8.0 robotframework-xvfb==1.2.2