diff --git a/CHANGELOG.md b/CHANGELOG.md
index 26826e9b..1cc5fac4 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@latest` to 3.23.1.
+
 ## [2.8.5] - 2023-05-16
 
 - Update `cargo-nextest@latest` to 0.9.53.
diff --git a/manifests/protoc.json b/manifests/protoc.json
index 1191f4c5..e7de4d3d 100644
--- a/manifests/protoc.json
+++ b/manifests/protoc.json
@@ -1,13 +1,35 @@
 {
   "template": null,
   "latest": {
-    "version": "3.23.0"
+    "version": "3.23.1"
   },
   "3": {
-    "version": "3.23.0"
+    "version": "3.23.1"
   },
   "3.23": {
-    "version": "3.23.0"
+    "version": "3.23.1"
+  },
+  "3.23.1": {
+    "x86_64_linux_gnu": {
+      "url": "https://github.com/protocolbuffers/protobuf/releases/download/v23.1/protoc-23.1-linux-x86_64.zip",
+      "checksum": "031f8e7504eb359df58389b31752f8081c01b01132a2f3f768a3792ac4b06f3f"
+    },
+    "x86_64_macos": {
+      "url": "https://github.com/protocolbuffers/protobuf/releases/download/v23.1/protoc-23.1-osx-x86_64.zip",
+      "checksum": "5d0367dfd58ea894f87d1d6efbd800bf52820842e9151d265db17471bc69fe94"
+    },
+    "x86_64_windows": {
+      "url": "https://github.com/protocolbuffers/protobuf/releases/download/v23.1/protoc-23.1-win64.zip",
+      "checksum": "420cd7a1548a9c3ef5b5a7e969b6fcf8ee6a5a09cec99d7a3209406f028e5dce"
+    },
+    "aarch64_linux_gnu": {
+      "url": "https://github.com/protocolbuffers/protobuf/releases/download/v23.1/protoc-23.1-linux-aarch_64.zip",
+      "checksum": "f174eb3a6bd812e9946be3a9ef3fb8f8ac4a6f8acd0a01c928fb2fecb22b6fb0"
+    },
+    "aarch64_macos": {
+      "url": "https://github.com/protocolbuffers/protobuf/releases/download/v23.1/protoc-23.1-osx-aarch_64.zip",
+      "checksum": "8d0af9adbbde1a9791d10125f4742a4c9fa84f85ee46fe69adde6bf5e8a4a428"
+    }
   },
   "3.23.0": {
     "x86_64_linux_gnu": {