diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0b68a50a..6145cff1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+- Update `protoc-gen-connect-openapi@latest` to 0.27.1.
+
 - Update `mise@latest` to 2026.9.5.
 
 - Update `cargo-nextest@latest` to 0.9.144.
diff --git a/manifests/protoc-gen-connect-openapi.json b/manifests/protoc-gen-connect-openapi.json
index b8bc9198..c733aa0f 100644
--- a/manifests/protoc-gen-connect-openapi.json
+++ b/manifests/protoc-gen-connect-openapi.json
@@ -18,7 +18,10 @@
     }
   },
   "latest": {
-    "version": "0.26.0"
+    "version": "0.27.1"
+  },
+  "0.27": {
+    "version": "0.27.1"
   },
   "0.27.1": {
     "x86_64_linux_musl": {