diff --git a/gradle.properties b/gradle.properties
index 8ec1c40e4..369b660e8 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
 orcaVersion=8.21.0
 org.gradle.parallel=true
-spinnakerGradleVersion=8.20.0
+spinnakerGradleVersion=8.21.0
 targetJava11=true