diff --git a/Cargo.lock b/Cargo.lock
index f96d6d28e8..1329aed022 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -197,7 +197,7 @@ dependencies = [
 
 [[package]]
 name = "deno"
-version = "0.3.11"
+version = "0.4.0"
 dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -209,12 +209,12 @@ dependencies = [
 
 [[package]]
 name = "deno_cli"
-version = "0.3.11"
+version = "0.4.0"
 dependencies = [
  "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "deno 0.3.11",
+ "deno 0.4.0",
  "dirs 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "flatbuffers 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Releases.md b/Releases.md
index 48be15edbd..e173b36ef1 100644
--- a/Releases.md
+++ b/Releases.md
@@ -6,7 +6,7 @@ https://github.com/denoland/deno/releases
 We also have one-line install commands at
 https://github.com/denoland/deno_install
 
-### v0.3.11 / 2019.05.03
+### v0.4.0 / 2019.05.03
 
 In deno:
 
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 4ce1db996a..0d78daed7e 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -12,7 +12,7 @@ path = "main.rs"
 
 [package]
 name = "deno_cli"
-version = "0.3.11"
+version = "0.4.0"
 edition = "2018"
 
 [dependencies]
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 58710aca04..21efe2e7a5 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -2,7 +2,7 @@
 
 [package]
 name = "deno"
-version = "0.3.11"
+version = "0.4.0"
 edition = "2018"
 description = "A secure JavaScript/TypeScript runtime built with V8, Rust, and Tokio"
 authors = ["The deno authors <bertbelder@nodejs.org>"]