diff --git a/CHANGELOG.md b/CHANGELOG.md
index 30fb2af3..44b7b697 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 3.34.1.
+
 ## [2.69.2] - 2026-03-19
 
 - Update `trivy@latest` to 0.69.4.
diff --git a/manifests/protoc.json b/manifests/protoc.json
index 4952cffd..77e35882 100644
--- a/manifests/protoc.json
+++ b/manifests/protoc.json
@@ -3,13 +3,50 @@
   "template": null,
   "license_markdown": "[BSD-3-Clause](https://github.com/protocolbuffers/protobuf/blob/HEAD/LICENSE)",
   "latest": {
-    "version": "3.34.0"
+    "version": "3.34.1"
   },
   "3": {
-    "version": "3.34.0"
+    "version": "3.34.1"
   },
   "3.34": {
-    "version": "3.34.0"
+    "version": "3.34.1"
+  },
+  "3.34.1": {
+    "x86_64_linux_gnu": {
+      "url": "https://github.com/protocolbuffers/protobuf/releases/download/v34.1/protoc-34.1-linux-x86_64.zip",
+      "etag": "0x8DE8605ADA93D68",
+      "checksum": "af27ea66cd26938fe48587804ca7d4817457a08350021a1c6e23a27ccc8c6904"
+    },
+    "x86_64_macos": {
+      "url": "https://github.com/protocolbuffers/protobuf/releases/download/v34.1/protoc-34.1-osx-x86_64.zip",
+      "etag": "0x8DE8605ADC2EA11",
+      "checksum": "ab124429c1f49951f03b6c0c0e911fec04e2c7c20de5c935e0cde7353bbd016c"
+    },
+    "x86_64_windows": {
+      "url": "https://github.com/protocolbuffers/protobuf/releases/download/v34.1/protoc-34.1-win64.zip",
+      "etag": "0x8DE8605AE11272C",
+      "checksum": "6d7ebdc75e9c1f0026d4fb28f17ef1d0aae77d36744d83a9e052d79ba493724f"
+    },
+    "aarch64_linux_gnu": {
+      "url": "https://github.com/protocolbuffers/protobuf/releases/download/v34.1/protoc-34.1-linux-aarch_64.zip",
+      "etag": "0x8DE8605AD2C8376",
+      "checksum": "31c5e9e3c7bf013cf41fb97765ee255c140024a6b175b6cc9b64beddd7c23ba7"
+    },
+    "aarch64_macos": {
+      "url": "https://github.com/protocolbuffers/protobuf/releases/download/v34.1/protoc-34.1-osx-aarch_64.zip",
+      "etag": "0x8DE8605ADA98B2D",
+      "checksum": "2c7e92b8b578916937df132b3032e2e8e6c170862ecf7a8333094a6f3d03650c"
+    },
+    "powerpc64le_linux_gnu": {
+      "url": "https://github.com/protocolbuffers/protobuf/releases/download/v34.1/protoc-34.1-linux-ppcle_64.zip",
+      "etag": "0x8DE8605AD694819",
+      "checksum": "9160f1336e266dd0b389a29c4ffabded6cc9b80ab29f2da423106d6fe75b2ce2"
+    },
+    "s390x_linux_gnu": {
+      "url": "https://github.com/protocolbuffers/protobuf/releases/download/v34.1/protoc-34.1-linux-s390_64.zip",
+      "etag": "0x8DE8605AD4DEF95",
+      "checksum": "70994942bc60e3ac10e6b363d320dec902385af8ceb4028ee979d4c2fc054a6f"
+    }
   },
   "3.34.0": {
     "x86_64_linux_gnu": {