diff --git a/.gitignore b/.gitignore
index 8359a46..1d6a311 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,6 +23,12 @@ MC20-20.4/classes/
 MC20-20.4/src/main/generated/.cache/
 MC20-20.4/run/
 
+MC21.2/.gradle/
+MC21.2/build/
+MC21.2/out/
+MC21.2/classes/
+MC21.2/src/main/generated/.cache/
+MC21.2/run/
 
 # Quilt Loom
 legacy/remappedSrc/