diff --git a/gradle.properties b/gradle.properties
index 6858cc5..e995719 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-mod_version = 1.5.1
+mod_version = 1.5.2
 group = net.shadowfacts
 archivesBaseName = Forgelin
 
@@ -6,6 +6,6 @@ mc_version = 1.12
 mcp_mappings = snapshot_20170629
 forge_version = 14.21.1.2387
 
-kotlin_version = 1.1.3
+kotlin_version = 1.1.51
 annotations_version = 15.0
-coroutines_version = 0.16
+coroutines_version = 0.19.3