diff --git a/lgtm.yml b/lgtm.yml
index eac32c751e..f9e1a35fb1 100644
--- a/lgtm.yml
+++ b/lgtm.yml
@@ -16,9 +16,9 @@ extraction:
         - zip
         - less
         - zlib1g-dev
+        - libzstd-dev
         - xorriso
         - libtool
-        - mtools
         - gcc-multilib
         - python3
     after_prepare: