diff --git a/gradle.properties b/gradle.properties
index aaf80149..fa89a75c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -39,7 +39,7 @@ rockerVersion=2.1.0
 shadowVersion=8.0.0
 slf4jVersion=2.0.16
 snakeyamlVersion=2.2
-spockVersion=2.1-groovy-3.0
+spockVersion=2.3-groovy-4.0
 spotlessVersion=6.25.0
 typesafeConfigVersion=1.4.3