diff --git a/Gemfile.lock b/Gemfile.lock
index eb5aea7..35d5bc6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    rscons (1.14.0)
+    rscons (1.15.0)
       json (>= 1.8, < 3.0)
 
 GEM
diff --git a/lib/rscons/version.rb b/lib/rscons/version.rb
index 78126b7..5b6477c 100644
--- a/lib/rscons/version.rb
+++ b/lib/rscons/version.rb
@@ -1,4 +1,4 @@
 module Rscons
   # gem version
-  VERSION = "1.14.0"
+  VERSION = "1.15.0"
 end