diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8520da24..c147f2d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [0.1.11] - 2023-10-24
 
+- Added go1.20.11 and go1.21.4. ([#168](https://github.com/heroku/buildpacks-go/pull/184))
+
 ### Added
 
 - Added buildpack description to metadata used by CNB registry. ([#178](https://github.com/heroku/buildpack-go/pull/178))
diff --git a/inventory.toml b/inventory.toml
index 10040a3e..26119b3e 100644
--- a/inventory.toml
+++ b/inventory.toml
@@ -1,3 +1,9 @@
+[[artifacts]]
+go_version = "go1.21.4"
+semantic_version = "1.21.4"
+architecture = "linux-amd64"
+sha_checksum = "73cac0215254d0c7d1241fa40837851f3b9a8a742d0b54714cbdfb3feaf8f0af"
+
 [[artifacts]]
 go_version = "go1.21.3"
 semantic_version = "1.21.3"
@@ -46,6 +52,12 @@ semantic_version = "1.21.0-rc1"
 architecture = "linux-amd64"
 sha_checksum = "d3f54a95b085cd6745fb306910b36670dac4e9e985c8f2920e6bcc35b9d7feb9"
 
+[[artifacts]]
+go_version = "go1.20.11"
+semantic_version = "1.20.11"
+architecture = "linux-amd64"
+sha_checksum = "ef79a11aa095a08772d2a69e4f152f897c4e96ee297b0dc20264b7dec2961abe"
+
 [[artifacts]]
 go_version = "go1.20.10"
 semantic_version = "1.20.10"