diff --git a/.gitignore b/.gitignore
index 23fd4d18..cae69c75 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,4 +15,7 @@ data/*
 wikidata/*
 
 # generated source files
-build/*
\ No newline at end of file
+build/*
+
+# any IntelliJ IDEA files
+.idea/