diff --git a/examples/Cargo.toml b/examples/Cargo.toml
index 86d30ddae..98c6e0b38 100644
--- a/examples/Cargo.toml
+++ b/examples/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 futures = "0.3.5"
 futures-lite = "1.11.1"
 ansi_term = "0.12.1"
-glommio = { version = "0.3.0", path = "../glommio" }
+glommio = { version = "0.4.0", path = "../glommio" }
 pretty-bytes = "0.2.2"
 clap = "2.33"
 sys-info = "0.7.0"
diff --git a/glommio/Cargo.toml b/glommio/Cargo.toml
index ea41d0ad7..112960132 100644
--- a/glommio/Cargo.toml
+++ b/glommio/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "glommio"
-version = "0.3.1"
+version = "0.4.0"
 authors = [ "Glauber Costa <glauber@datadoghq.com>",
             "Hippolyte Barraud <hippolyte.barraud@datadoghq.com>",
             "DataDog"]