diff --git a/ports/protopuf/portfile.cmake b/ports/protopuf/portfile.cmake
index 8cb8f39522..2c883db7f8 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 v2.2.1
-    SHA512 f7cf0df90178f2582ba50f6fb8518b4a005dbad7d0fb1fea8f0b2d80a3df18d251b0c795583a121aab246acf245a46ecf374597447b7b61777e48c5bfafed5f2
+    REF "v${VERSION}"
+    SHA512 c74bd2bc6090fb1b09d697ff1c082028cb3bacbe7f18bb93afe8b323f8f140a3b6d1c79ac41d54cd06eb1132d97ddc61e1dd6c2e658368ac08f80c414eb779fd
     HEAD_REF master
 )
 
diff --git a/ports/protopuf/vcpkg.json b/ports/protopuf/vcpkg.json
index 5c100e1b56..209e009aa8 100644
--- a/ports/protopuf/vcpkg.json
+++ b/ports/protopuf/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "protopuf",
-  "version": "2.2.1",
+  "version": "3.0.0",
   "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",
diff --git a/versions/baseline.json b/versions/baseline.json
index 45b9055e90..bf5c4389a8 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -7229,7 +7229,7 @@
       "port-version": 0
     },
     "protopuf": {
-      "baseline": "2.2.1",
+      "baseline": "3.0.0",
       "port-version": 0
     },
     "protozero": {
diff --git a/versions/p-/protopuf.json b/versions/p-/protopuf.json
index ccb9ecc4a7..fcc15a18c1 100644
--- a/versions/p-/protopuf.json
+++ b/versions/p-/protopuf.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "81d04541581f77d3e71387de058cd91052486489",
+      "version": "3.0.0",
+      "port-version": 0
+    },
     {
       "git-tree": "fce43fe70999efa77083824e66e61251e0df3219",
       "version": "2.2.1",