diff --git a/CHANGELOG.md b/CHANGELOG.md
index 97bd2afc2c1..a315f23ad83 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## v0.17.0-rc1 - 2021-09-11
 
 - Gleam can now compile Gleam projects without an external build tool.
 - Gleam can now run eunit without an external build tool.
diff --git a/Cargo.lock b/Cargo.lock
index a52d01b9509..ec280e92f8e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -522,7 +522,7 @@ dependencies = [
 
 [[package]]
 name = "gleam"
-version = "0.17.0-dev"
+version = "0.17.0-rc1"
 dependencies = [
  "atty",
  "bytes",
@@ -551,7 +551,7 @@ dependencies = [
 
 [[package]]
 name = "gleam-core"
-version = "0.17.0-dev"
+version = "0.17.0-rc1"
 dependencies = [
  "askama",
  "capnp",
@@ -577,7 +577,7 @@ dependencies = [
 
 [[package]]
 name = "gleam-wasm"
-version = "0.17.0-dev"
+version = "0.17.0-rc1"
 dependencies = [
  "gleam-core",
  "wasm-bindgen",
diff --git a/RELEASE.md b/RELEASE.md
index 29379ce989d..ac74d4a2b7a 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -1,6 +1,6 @@
 # Release checklist
 
-1. Update the version in `Cargo.toml`.
+1. Update the version in each `Cargo.toml`.
 2. Update versions in `src/new.rs` for stdlib etc if required.
 3. Run `make test build`.
 4. Update `CHANGELOG.md` with new version and link to blog post (if present)
diff --git a/compiler-cli/Cargo.toml b/compiler-cli/Cargo.toml
index 68c6b4a3b00..93ec91769f9 100644
--- a/compiler-cli/Cargo.toml
+++ b/compiler-cli/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "gleam"
-version = "0.17.0-dev"
+version = "0.17.0-rc1"
 authors = ["Louis Pilfold <louis@lpil.uk>"]
 edition = "2018"
 license-file = "LICENCE"
diff --git a/compiler-core/Cargo.toml b/compiler-core/Cargo.toml
index 212ab708479..09d9399f164 100644
--- a/compiler-core/Cargo.toml
+++ b/compiler-core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "gleam-core"
-version = "0.17.0-dev"
+version = "0.17.0-rc1"
 authors = ["Louis Pilfold <louis@lpil.uk>"]
 edition = "2018"
 license-file = "LICENCE"
diff --git a/compiler-wasm/Cargo.toml b/compiler-wasm/Cargo.toml
index 71dab815f57..3667d35141f 100644
--- a/compiler-wasm/Cargo.toml
+++ b/compiler-wasm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "gleam-wasm"
-version = "0.17.0-dev"
+version = "0.17.0-rc1"
 authors = ["Louis Pilfold <louis@lpil.uk>"]
 edition = "2018"
 license-file = "LICENCE"