diff --git a/build.gradle b/build.gradle
index 5e2a1fcb..fcfed8e0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@
  */
 
 buildscript {
-    ext.kotlinVersion = '1.8.0'
+    ext.kotlinVersion = '1.7.20'
     ext.coroutineVersion = '1.6.4'
 
     ext.annotationVersion = '1.5.0'