diff --git a/build.gradle b/build.gradle
index 261f46b..a6fbbd0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ plugins {
 }
 
 group = 'com.glencoesoftware'
-version = '0.3.1-SNAPSHOT'
+version = '0.3.1-rc1'
 
 mainClassName = 'com.glencoesoftware.pyramid.PyramidFromDirectoryWriter'
 sourceCompatibility = 1.8