diff --git a/scripts/proguard.pro b/scripts/proguard.pro
index 7cb0bce8..8b406e69 100644
--- a/scripts/proguard.pro
+++ b/scripts/proguard.pro
@@ -33,6 +33,8 @@
 
 -libraryjars 'tempLibraries/minecraft-1.12.2.jar'
 
+-libraryjars 'tempLibraries/SimpleTweaker-1.1.jar'
+
 -libraryjars 'tempLibraries/authlib-1.5.25.jar'
 -libraryjars 'tempLibraries/codecjorbis-20101023.jar'
 -libraryjars 'tempLibraries/codecwav-20101023.jar'