diff --git a/dependencies.gradle b/dependencies.gradle
index f4ac0834..7a5c0375 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -16,7 +16,7 @@ ext.versions = [
 
         androidSupport       : "22.2.1",
 
-        kotlin               : "1.2.21",
+        kotlin               : "1.2.31",
 
         retrofit             : "2.1.0",
         jackson              : "2.9.0",