diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b7279417792c0a6a687adfd271133a8a23e795c8..9da140fe9828bace0c1bf536f22330b406f52353 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,5 @@
 variables:
-  MAVEN_OPTS: "-Dmaven.repo.local=.m2/repository -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=WARN -Dorg.slf4j.simpleLogger.showDateTime=true -Djava.awt.headless=true"
+  MAVEN_OPTS: "-Dmaven.repo.local=.m2/repository -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=WARN -Dorg.slf4j.simpleLogger.showDateTime=true -Djava.awt.headless=true -Dhttps.proxyHost=proxy.uibk.ac.at -Dhttps.proxyPort=3128 -Dhttp.proxyHost=proxy.uibk.ac.at -Dhttp.proxyPort=3128"
   MAVEN_CLI_OPTS: "--batch-mode --errors --fail-at-end --show-version -DinstallAtEnd=true -DdeployAtEnd=true"
 
 cache: