diff --git a/lib/common.sh b/lib/common.sh
index 30722dd..867e209 100644
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -212,11 +212,12 @@ function fetch_or_upgrade_package_linter()
     then
         log_info "Installing Package linter"
         git clone --quiet $git_repository "./package_linter"
-        pip3 install pyparsing six imgkit
+        pip3 install pyparsing six imgkit toml
     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
+        python3 -c "import toml" 2>/dev/null || pip3 install toml
     fi
 }