diff --git a/build.sbt b/build.sbt
index c92086e..bda4316 100644
--- a/build.sbt
+++ b/build.sbt
@@ -4,7 +4,7 @@ organization := "org.phenoscape"
 
 name := "kb-owl-tools"
 
-version := "1.9.3"
+version := "1.9.4"
 
 mainClass in Compile := Some("org.phenoscape.owl.build.Command")