diff --git a/ports/xsimd/portfile.cmake b/ports/xsimd/portfile.cmake
index 32e59e3553cc30..7d10527a946d90 100644
--- a/ports/xsimd/portfile.cmake
+++ b/ports/xsimd/portfile.cmake
@@ -3,8 +3,8 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO xtensor-stack/xsimd
-    REF 8.0.3
-    SHA512 4c93eea5c5ba7c72f718d7d404b9630850e0805d2698d472b964e4de765678801b369ce1da5e53372f28944f5f647a7ac162995f92535a820c6f4fc9defa7e5f
+    REF 8.1.0
+    SHA512 539f7b565b45e8225c6476ca1becc8243a84ae7fb51b45a584231e7d36aee10a09d7d30fb87d89cb77813fb063a7b7617bcf01fdf996f59d99e8d474d2a044ee
     HEAD_REF master
 )
 
diff --git a/ports/xsimd/vcpkg.json b/ports/xsimd/vcpkg.json
index a110b191883ef7..bfcc3f98b69fce 100644
--- a/ports/xsimd/vcpkg.json
+++ b/ports/xsimd/vcpkg.json
@@ -1,8 +1,9 @@
 {
   "name": "xsimd",
-  "version": "8.0.3",
+  "version": "8.1.0",
   "description": "Modern, portable C++ wrappers for SIMD intrinsics",
   "homepage": "https://github.com/xtensor-stack/xsimd",
+  "license": "BSD-3-Clause",
   "dependencies": [
     {
       "name": "vcpkg-cmake",
diff --git a/versions/baseline.json b/versions/baseline.json
index 17f604404b049f..3eb60e080f2241 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -7649,7 +7649,7 @@
       "port-version": 1
     },
     "xsimd": {
-      "baseline": "8.0.3",
+      "baseline": "8.1.0",
       "port-version": 0
     },
     "xtensor": {
diff --git a/versions/x-/xsimd.json b/versions/x-/xsimd.json
index 70416122909596..82d262ad159a75 100644
--- a/versions/x-/xsimd.json
+++ b/versions/x-/xsimd.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "3d7f059f0f9d91da33b87a09615ef7f7f84cc76a",
+      "version": "8.1.0",
+      "port-version": 0
+    },
     {
       "git-tree": "e7b050635a31da5fce9834a6e8e859eb160b3916",
       "version": "8.0.3",