diff --git a/CHANGES.md b/CHANGES.md
index 2880a53..f2a8221 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,11 @@
 # Changelog
 
+
+## [v1.5.0](https://github.com/56quarters/cadence/tree/1.5.0) - 2024-09-26
+* Add support for Datadog Statsd extensions sample rates, container IDs, and
+  explicit timestamps per [#211](https://github.com/56quarters/cadence/pull/211).
+  Thanks to @iksaif for this contribution.
+
 ## [v1.4.0](https://github.com/56quarters/cadence/tree/1.4.0) - 2024-04-28
 * Make the previously internal `MultiLineWriter` and `SocketStats` structs
   available from the `cadence::ext` module per [#206](https://github.com/56quarters/cadence/pull/206). 
diff --git a/cadence-macros/Cargo.toml b/cadence-macros/Cargo.toml
index 2a2f2e4..e9bda50 100644
--- a/cadence-macros/Cargo.toml
+++ b/cadence-macros/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cadence-macros"
-version = "1.4.0"
+version = "1.5.0"
 authors = ["Nick Pillitteri"]
 description = "Macros for Cadence, an extensible Statsd client for Rust"
 homepage = "https://github.com/56quarters/cadence"
@@ -13,7 +13,7 @@ edition = "2021"
 autobenches = false
 
 [dependencies]
-cadence = { path = "../cadence", version = "1.4" }
+cadence = { path = "../cadence", version = "1.5" }
 
 [dev-dependencies]
 crossbeam-channel = "0.5.1"
diff --git a/cadence/Cargo.toml b/cadence/Cargo.toml
index f87e79d..321205f 100644
--- a/cadence/Cargo.toml
+++ b/cadence/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cadence"
-version = "1.4.0"
+version = "1.5.0"
 authors = ["Nick Pillitteri"]
 description = "An extensible Statsd client for Rust"
 homepage = "https://github.com/56quarters/cadence"