diff --git a/gradle.properties b/gradle.properties
index a0aa066..3b19aa1 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 # Note that Maven- and signing-related properties are in <gradle-user-home>/gradle.properties
 javaVersion=1.8
-version=3.1.5-SNAPSHOT
+version=3.1.5
 
 # Ugh, see https://github.com/gradle/gradle/issues/11308
 systemProp.org.gradle.internal.publish.checksums.insecure=true