diff --git a/gradle.properties b/gradle.properties
index 97cd5ff..2b5b459 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,6 +3,6 @@ org.gradle.parallel=true
 kotlin.js.generate.externals=true
 kotlin.incremental=true
 
-kotlin_version=1.4.10
-plagubot_version=0.0.4
+kotlin_version=1.4.21
+plagubot_version=0.0.5
 klassindex_version=4.1.0-rc.1