diff --git a/ports/asio/portfile.cmake b/ports/asio/portfile.cmake
index 00edbed09a..09bd3402c0 100644
--- a/ports/asio/portfile.cmake
+++ b/ports/asio/portfile.cmake
@@ -3,8 +3,8 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO chriskohlhoff/asio
-    REF asio-1-18-0
-    SHA512 c79529d16a51f40c9faff8549ef7dd7074aaf2574c8c338a8885aa04b3bb261a493f57498d1bd271cfcb4083e561344e286f784c77ea20e355bf86f7a39cfb39
+    REF asio-1-18-1
+    SHA512 c84e6fca448ed419a976756840f3f4543291a5a7d4f62d4de7c06945b2cd9ececca6633049ad5e36367d60f67a4f2735be017445514ae9fa9497d4af2a4d48f8
     HEAD_REF master
 )
 
diff --git a/ports/asio/vcpkg.json b/ports/asio/vcpkg.json
index 1a838e0e7d..38140acc53 100644
--- a/ports/asio/vcpkg.json
+++ b/ports/asio/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "asio",
-  "version-string": "1.18.0",
+  "version": "1.18.1",
   "description": "Asio is a cross-platform C++ library for network and low-level I/O programming that provides developers with a consistent asynchronous model using a modern C++ approach.",
   "homepage": "https://github.com/chriskohlhoff/asio",
   "documentation": "https://think-async.com/Asio/asio-1.18.0/doc/",
diff --git a/versions/a-/asio.json b/versions/a-/asio.json
index b93c03c46e..d9e24002c3 100644
--- a/versions/a-/asio.json
+++ b/versions/a-/asio.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "f564160afbc91228b0fe5c48f8f4c0b7dcd99b31",
+      "version": "1.18.1",
+      "port-version": 0
+    },
     {
       "git-tree": "49f198a6e3cf688db2a0fe78de28214397fdd39d",
       "version-string": "1.18.0",
diff --git a/versions/baseline.json b/versions/baseline.json
index 5a87473d48..51308d6ee3 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -153,7 +153,7 @@
       "port-version": 0
     },
     "asio": {
-      "baseline": "1.18.0",
+      "baseline": "1.18.1",
       "port-version": 0
     },
     "asiosdk": {