diff --git a/.gitignore b/.gitignore
index 5c678ce1a6ba5c3bf91900a4126504aad9cfe70f..bafdfd7ffa0bfd6ac847b97a7ceb00efe43c2269 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@
 *.txt
 *.pdf
 *.pyc
+*.wkt
 cache
 input
 plz/plz-5stellig.geojson