diff --git a/lib/common.sh b/lib/common.sh
index a658a81..931db29 100644
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -213,10 +213,11 @@ function fetch_or_upgrade_package_linter()
     then
         log_info "Installing Package linter"
         git clone --quiet $git_repository "./package_linter"
-        pip3 install pyparsing six
+        pip3 install pyparsing six imgkit
     else
         git -C "./package_linter" fetch origin --quiet
         git -C "./package_linter" reset --hard origin/master --quiet
+        python3 -c "import imgkit" 2>/dev/null || pip3 install imgkit
     fi
 }