diff --git a/build.gradle b/build.gradle
index cfb4764d8..9a72edd66 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ plugins {
 }
 
 group = "org.openmicroscopy"
-version = "5.5.9-SNAPSHOT"
+version = "5.5.9"
 
 repositories {
     mavenLocal()