update kotlin version to 1.3.20

oshai · oshai · commit 16109c9a3b1d · 2019-02-03T17:52:51.000+02:00
diff --git a/versions.gradle b/versions.gradle
@@ -1,4 +1,4 @@
-ext.kotlin_version='1.3.10'
+ext.kotlin_version='1.3.20'
 ext.sl4j_version='1.7.25'
 ext.log4j_version='2.11.1'
 ext.mockito_version='1.10.19'
