diff --git a/Cargo.lock b/Cargo.lock
index 8a685dbc..cf73605f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -80,7 +80,7 @@ dependencies = [
 
 [[package]]
 name = "hypervisor-fw"
-version = "0.3.2"
+version = "0.4.0"
 dependencies = [
  "atomic_refcell",
  "bitflags",
diff --git a/Cargo.toml b/Cargo.toml
index 502c5f33..6069c5c7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hypervisor-fw"
-version = "0.3.2"
+version = "0.4.0"
 authors = ["Rob Bradford <robert.bradford@intel.com>"]
 edition = "2018"