diff --git a/lib/ffi/version.rb b/lib/ffi/version.rb
index 762d1ecb9..ef76e8000 100644
--- a/lib/ffi/version.rb
+++ b/lib/ffi/version.rb
@@ -1,4 +1,4 @@
 module FFI
-  VERSION = '1.9.0'
+  VERSION = '1.9.1'
 end