diff --git a/ports/google-cloud-cpp/portfile.cmake b/ports/google-cloud-cpp/portfile.cmake
index 1e8af35547..dace1512b5 100644
--- a/ports/google-cloud-cpp/portfile.cmake
+++ b/ports/google-cloud-cpp/portfile.cmake
@@ -4,7 +4,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO googleapis/google-cloud-cpp
     REF "v${VERSION}"
-    SHA512 a3d84785b024e31e909592bca5a6589873bcd342848fae9520a9e7715bcb736db71184eeedbcbf6086105e6145937cabdd731a80879fd177f80895fdf09c3b46
+    SHA512 18c3fc4fabd1fabfbfb33760636e9403f5b5965cde9e2feab38ac76063ba82fd4aa59a895ded7288ff7552e5806714b5428765b673b5eff95080cd1718bd6792
     HEAD_REF main
     PATCHES
         support_absl_cxx17.patch
diff --git a/ports/google-cloud-cpp/vcpkg.json b/ports/google-cloud-cpp/vcpkg.json
index 67ef87589a..d60fae7fd5 100644
--- a/ports/google-cloud-cpp/vcpkg.json
+++ b/ports/google-cloud-cpp/vcpkg.json
@@ -1,7 +1,6 @@
 {
   "name": "google-cloud-cpp",
-  "version": "2.17.0",
-  "port-version": 2,
+  "version": "2.18.0",
   "description": "C++ Client Libraries for Google Cloud Platform APIs.",
   "homepage": "https://github.com/googleapis/google-cloud-cpp",
   "license": "Apache-2.0",
@@ -1121,6 +1120,18 @@
         }
       ]
     },
+    "securesourcemanager": {
+      "description": "Secure Source Manager API C++ Client Library",
+      "dependencies": [
+        {
+          "name": "google-cloud-cpp",
+          "default-features": false,
+          "features": [
+            "grpc-common"
+          ]
+        }
+      ]
+    },
     "securitycenter": {
       "description": "Security Command Center API C++ Client Library",
       "dependencies": [
diff --git a/versions/baseline.json b/versions/baseline.json
index 6996b6de2e..920cedb1a0 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -3037,8 +3037,8 @@
       "port-version": 5
     },
     "google-cloud-cpp": {
-      "baseline": "2.17.0",
-      "port-version": 2
+      "baseline": "2.18.0",
+      "port-version": 0
     },
     "google-cloud-cpp-common": {
       "baseline": "alias",
diff --git a/versions/g-/google-cloud-cpp.json b/versions/g-/google-cloud-cpp.json
index e5c8a14f2a..b1eb437c4d 100644
--- a/versions/g-/google-cloud-cpp.json
+++ b/versions/g-/google-cloud-cpp.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "21cf84757dd988f8b1ea4aa318002a4cc047b697",
+      "version": "2.18.0",
+      "port-version": 0
+    },
     {
       "git-tree": "2a52d32521f59da4d2ecfe7beffe13bab448ea64",
       "version": "2.17.0",