diff --git a/Cargo.toml b/Cargo.toml
index 4fa8013..bbe781d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "proc-maps"
-version = "0.3.2"
+version = "0.4.0"
 authors = ["Julia Evans <julia@jvns.ca>", "Ben Frederickson <github@benfrederickson.com>", "Adam Jensen <adam@acj.sh>"]
 description = "Helper crate for getting virtual memory maps from processes"
 license = "MIT"