diff --git a/2021/day-02/.gitignore b/2021/day-02/.gitignore
new file mode 100644
index 0000000..5ea4536
--- /dev/null
+++ b/2021/day-02/.gitignore
@@ -0,0 +1,4 @@
+*
+!.gitignore
+!*.adb
+!*.ads