Bump version
diff --git a/Cargo.toml b/Cargo.toml
index fc2ea97..8a309b1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "petgraph"
-version = "0.0.3"
+version = "0.0.4"
 authors = ["bluss"]
 license = "MIT/Apache-2.0"