diff --git a/Cargo.toml b/Cargo.toml
index 9e7824e..542e0ec 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "extcap"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["Tomas Kukosa <tkeksa@gmail.com>"]
 repository = "https://github.com/tkeksa/extcap-rs"
 license = "Apache-2.0 OR MIT"
diff --git a/README.md b/README.md
index a30449f..30b9d39 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ Dual licensed under your choice of either of:
 [crate-link]: https://crates.io/crates/extcap
 [docs-image]: https://docs.rs/extcap/badge.svg
 [docs-link]: https://docs.rs/extcap/
-[build-image]: https://github.com/tkeksa/extcap-rs/workflows/ci/badge.svg?tag=0.3.0
+[build-image]: https://github.com/tkeksa/extcap-rs/workflows/ci/badge.svg?tag=0.4.0
 [build-link]: https://github.com/tkeksa/extcap-rs/actions
 [deps-image]: https://deps.rs/repo/github/tkeksa/extcap-rs/status.svg
 [deps-link]: https://deps.rs/repo/github/tkeksa/extcap-rs