diff --git a/build.gradle b/build.gradle
index df653732..54bd3c6e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,7 +18,7 @@ repositories {
 }
 
 archivesBaseName = 'Primitive Collections'
-version = '0.3.1-SNAPSHOT';
+version = '0.3.1';
 
 sourceCompatibility = targetCompatibility = compileJava.sourceCompatibility = compileJava.targetCompatibility = '1.8'