diff --git a/parsec-base-build/src/main/resources/gradle.properties b/parsec-base-build/src/main/resources/gradle.properties
index 4970cc2..f875661 100644
--- a/parsec-base-build/src/main/resources/gradle.properties
+++ b/parsec-base-build/src/main/resources/gradle.properties
@@ -11,7 +11,7 @@ commonsLang3Version = 3.8.1
 commonsLoggingVersion = 1.2
 coverallsVersion = 2.8.2
 guavaVersion = 27.1-jre
-grettyVersion = 2.3.1
+grettyVersion = 3.0.5
 guiceVersion = 3.0
 jerseyVersion = 2.28
 jettyVersion = 9.4.14.v20181114