diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f3fc63232df82cfd118f60bb3e7d499585843487..ed689ba09cecaab5101a21a9f16c912c7e4e9061 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,6 +24,7 @@ pmd:
   before_script:
     - 'export VERSION="6.40.0"'
     - 'wget "https://github.com/pmd/pmd/releases/download/pmd_releases%2F$VERSION/pmd-bin-$VERSION.zip"'
+    - 'apt-get install unzip'
     - 'unzip "pmd-bin-$VERSION.zip"'
   script:
     - '"pmd-bin-$VERSION/bin/run.sh" pmd -d src/main/java -f textcolor -R pmd_rules.xml 2>&1 | tee pmd.log'