diff --git a/.gitignore b/.gitignore
index d75aa5c24..d1c5d91fe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,4 +25,5 @@ replay_pid*
 
 build/
 .gradle/
-.idea/
\ No newline at end of file
+.idea/
+!**/libs/*.jar
\ No newline at end of file
diff --git a/core/libs/boosted-yaml-1.3.7.jar b/core/libs/boosted-yaml-1.3.7.jar
new file mode 100644
index 000000000..ea489cb34
Binary files /dev/null and b/core/libs/boosted-yaml-1.3.7.jar differ