diff --git a/haversine_02/.gitignore b/haversine_02/.gitignore
index a7e6906..0567e25 100644
--- a/haversine_02/.gitignore
+++ b/haversine_02/.gitignore
@@ -4,6 +4,7 @@
 compile_commands.json
 count_and_distances
 pairs.json
+cache_test
 main
 genhavr
 prochavr