diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index 9b9b605..8ead9b0 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -13,13 +13,17 @@
 
 == Unreleased changes (release date TBD)
 
+https://github.com/oxidecomputer/progenitor/compare/v0.5.0\...HEAD[Full list of commits]
+
+== 0.5.0 (released 2023-12-16)
+
 * Improve breadth of schema support (#592)
 * Various changes to avoid name collisions (#599)
 * Support for text/plain and text/x-markdown body content types (#593)
 * Upgrade to `openapiv3` v2.0.0
 * Various type generation changes from `typify` 0.0.15
 
-https://github.com/oxidecomputer/progenitor/compare/v0.4.0\...HEAD[Full list of commits]
+https://github.com/oxidecomputer/progenitor/compare/v0.4.0\...v0.5.0[Full list of commits]
 
 == 0.4.1 (released 2023-12-15)
 
diff --git a/Cargo.lock b/Cargo.lock
index ee8fbf5..9725e95 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -249,7 +249,7 @@ dependencies = [
 
 [[package]]
 name = "cargo-progenitor"
-version = "0.4.0"
+version = "0.5.0"
 dependencies = [
  "anyhow",
  "built",
@@ -1376,7 +1376,7 @@ dependencies = [
 
 [[package]]
 name = "progenitor"
-version = "0.4.0"
+version = "0.5.0"
 dependencies = [
  "base64",
  "chrono",
@@ -1397,7 +1397,7 @@ dependencies = [
 
 [[package]]
 name = "progenitor-client"
-version = "0.4.0"
+version = "0.5.0"
 dependencies = [
  "bytes",
  "futures-core",
@@ -1410,7 +1410,7 @@ dependencies = [
 
 [[package]]
 name = "progenitor-impl"
-version = "0.4.0"
+version = "0.5.0"
 dependencies = [
  "dropshot",
  "expectorate",
@@ -1436,7 +1436,7 @@ dependencies = [
 
 [[package]]
 name = "progenitor-macro"
-version = "0.4.0"
+version = "0.5.0"
 dependencies = [
  "openapiv3",
  "proc-macro2",
diff --git a/cargo-progenitor/Cargo.toml b/cargo-progenitor/Cargo.toml
index 5572254..5b7b959 100644
--- a/cargo-progenitor/Cargo.toml
+++ b/cargo-progenitor/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cargo-progenitor"
-version = "0.4.0"
+version = "0.5.0"
 edition = "2021"
 license = "MPL-2.0"
 description = "A cargo command to generate a Rust client SDK from OpenAPI"
@@ -13,9 +13,9 @@ build = "build.rs"
 default-run = "cargo-progenitor"
 
 [dependencies]
-progenitor = { version = "0.4.0", path = "../progenitor" }
-progenitor-client = { version = "0.4.0", path = "../progenitor-client" }
-progenitor-impl = { version = "0.4.0", path = "../progenitor-impl" }
+progenitor = { version = "0.5.0", path = "../progenitor" }
+progenitor-client = { version = "0.5.0", path = "../progenitor-client" }
+progenitor-impl = { version = "0.5.0", path = "../progenitor-impl" }
 anyhow = "1.0"
 clap = { version = "4.4.11", features = ["derive"] }
 env_logger = "0.10.1"
diff --git a/progenitor-client/Cargo.toml b/progenitor-client/Cargo.toml
index 2082737..20d1a30 100644
--- a/progenitor-client/Cargo.toml
+++ b/progenitor-client/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "progenitor-client"
-version = "0.4.0"
+version = "0.5.0"
 edition = "2021"
 license = "MPL-2.0"
 repository = "https://github.com/oxidecomputer/progenitor.git"
diff --git a/progenitor-impl/Cargo.toml b/progenitor-impl/Cargo.toml
index 72aec51..1a0ac9d 100644
--- a/progenitor-impl/Cargo.toml
+++ b/progenitor-impl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "progenitor-impl"
-version = "0.4.0"
+version = "0.5.0"
 edition = "2021"
 license = "MPL-2.0"
 description = "An OpenAPI client generator - core implementation"
diff --git a/progenitor-macro/Cargo.toml b/progenitor-macro/Cargo.toml
index b664d09..331c83d 100644
--- a/progenitor-macro/Cargo.toml
+++ b/progenitor-macro/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "progenitor-macro"
-version = "0.4.0"
+version = "0.5.0"
 edition = "2021"
 license = "MPL-2.0"
 description = "An OpenAPI client generator - macros"
@@ -13,7 +13,7 @@ proc-macro = true
 [dependencies]
 openapiv3 = "2.0.0"
 proc-macro2 = "1.0"
-progenitor-impl = { version = "0.4.0", path = "../progenitor-impl" }
+progenitor-impl = { version = "0.5.0", path = "../progenitor-impl" }
 quote = "1.0"
 schemars = "0.8.12"
 serde = { version = "1.0", features = ["derive"] }
diff --git a/progenitor/Cargo.toml b/progenitor/Cargo.toml
index 579dbc2..c7410a6 100644
--- a/progenitor/Cargo.toml
+++ b/progenitor/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "progenitor"
-version = "0.4.0"
+version = "0.5.0"
 edition = "2021"
 license = "MPL-2.0"
 description = "An OpenAPI client generator"
@@ -10,9 +10,9 @@ keywords = ["openapi", "openapiv3", "sdk", "generator", "proc_macro"]
 categories = ["api-bindings", "compilers"]
 
 [dependencies]
-progenitor-client = { version = "0.4.0", path = "../progenitor-client" }
-progenitor-impl = { version = "0.4.0", path = "../progenitor-impl" }
-progenitor-macro = { version = "0.4.0", path = "../progenitor-macro" }
+progenitor-client = { version = "0.5.0", path = "../progenitor-client" }
+progenitor-impl = { version = "0.5.0", path = "../progenitor-impl" }
+progenitor-macro = { version = "0.5.0", path = "../progenitor-macro" }
 serde_json = "1.0"
 
 [dev-dependencies]
@@ -26,4 +26,4 @@ reqwest = { version = "0.11.22", features = ["json", "stream"] }
 schemars = { version = "0.8.12", features = ["uuid1"] }
 serde = { version = "1.0", features = ["derive"] }
 uuid = { version = "1.6", features = ["serde", "v4"] }
-tokio = "*"
\ No newline at end of file
+tokio = "1.35.0"