diff --git a/ports/protopuf/portfile.cmake b/ports/protopuf/portfile.cmake
index af73a5f287..8cb8f39522 100644
--- a/ports/protopuf/portfile.cmake
+++ b/ports/protopuf/portfile.cmake
@@ -1,8 +1,8 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO PragmaTwice/protopuf
-    REF v2.2.0
-    SHA512 b7f00b1575b83ffad66e6fa555b2e420f1178ddf5b9aed64ae2c3af583e3d6c7292f0280e97cb91d4048cd0d0464ea89805f38444b86b7724abe03503682ac7f
+    REF v2.2.1
+    SHA512 f7cf0df90178f2582ba50f6fb8518b4a005dbad7d0fb1fea8f0b2d80a3df18d251b0c795583a121aab246acf245a46ecf374597447b7b61777e48c5bfafed5f2
     HEAD_REF master
 )
 
diff --git a/ports/protopuf/vcpkg.json b/ports/protopuf/vcpkg.json
index ddb27f429f..5c100e1b56 100644
--- a/ports/protopuf/vcpkg.json
+++ b/ports/protopuf/vcpkg.json
@@ -1,8 +1,9 @@
 {
   "name": "protopuf",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "A little, highly templated, and protobuf-compatible serialization/deserialization library written in C++20",
   "homepage": "https://github.com/PragmaTwice/protopuf",
+  "license": "Apache-2.0",
   "dependencies": [
     {
       "name": "vcpkg-cmake",
diff --git a/versions/baseline.json b/versions/baseline.json
index c83a30e1ab..985ba7a398 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -5977,7 +5977,7 @@
       "port-version": 0
     },
     "protopuf": {
-      "baseline": "2.2.0",
+      "baseline": "2.2.1",
       "port-version": 0
     },
     "protozero": {
diff --git a/versions/p-/protopuf.json b/versions/p-/protopuf.json
index 27b29d0ea1..ccb9ecc4a7 100644
--- a/versions/p-/protopuf.json
+++ b/versions/p-/protopuf.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "fce43fe70999efa77083824e66e61251e0df3219",
+      "version": "2.2.1",
+      "port-version": 0
+    },
     {
       "git-tree": "1e9aca8dbbf9df6ab5034e57ca3d8e983f55ba05",
       "version": "2.2.0",