diff --git a/ports/simdjson/portfile.cmake b/ports/simdjson/portfile.cmake
index 1ec7818e742164..f5d8db97857568 100644
--- a/ports/simdjson/portfile.cmake
+++ b/ports/simdjson/portfile.cmake
@@ -1,9 +1,9 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO simdjson/simdjson
-    REF 8a247f13216aa5a0b149ebb5e352d26eb13f309a # v3.1.2
+    REF "v${VERSION}"
     HEAD_REF master
-    SHA512 6a7394ccde9c9c5be936e260ba48ebead7447a9d40c110071e0901ff8d70422a7aa8e50321d98ec5b50122948395b89a7d0aa40ed171261bea340bf1c0077927
+    SHA512 e2a8c3b21b134c96158f8a6f209ea4c9c7bd63205ad967860a99ad24bc607b857f3a952ab84cdf927322ddcc6a549555d32c163751fe4ff2b5776de918685b40
 )
 
 vcpkg_check_features(
@@ -13,6 +13,7 @@ vcpkg_check_features(
         threads    SIMDJSON_ENABLE_THREADS
     INVERTED_FEATURES
         deprecated SIMDJSON_DISABLE_DEPRECATED_API
+        utf8-validation SIMDJSON_SKIPUTF8VALIDATION
 )
 
 string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static" SIMDJSON_BUILD_STATIC)
diff --git a/ports/simdjson/vcpkg.json b/ports/simdjson/vcpkg.json
index d7f8cd3c2dea7d..ccdb8d42cccf6d 100644
--- a/ports/simdjson/vcpkg.json
+++ b/ports/simdjson/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "simdjson",
-  "version": "3.1.2",
+  "version": "3.1.5",
   "description": "A extremely fast JSON library that can parse gigabytes of JSON per second",
   "homepage": "https://simdjson.org/",
   "license": "Apache-2.0",
@@ -17,7 +17,8 @@
   "default-features": [
     "deprecated",
     "exceptions",
-    "threads"
+    "threads",
+    "utf8-validation"
   ],
   "features": {
     "deprecated": {
@@ -28,6 +29,9 @@
     },
     "threads": {
       "description": "Link with thread support"
+    },
+    "utf8-validation": {
+      "description": "Enable UTF8 validation"
     }
   }
 }
diff --git a/versions/baseline.json b/versions/baseline.json
index 9495d7342fcfda..0d4ffa67f3fbc9 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -7265,7 +7265,7 @@
       "port-version": 1
     },
     "simdjson": {
-      "baseline": "3.1.2",
+      "baseline": "3.1.5",
       "port-version": 0
     },
     "simdutf": {
diff --git a/versions/s-/simdjson.json b/versions/s-/simdjson.json
index 0219fd43ca55dc..9977756d7eb464 100644
--- a/versions/s-/simdjson.json
+++ b/versions/s-/simdjson.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "6694abe5993ac1fc09466303507bb0eccca53911",
+      "version": "3.1.5",
+      "port-version": 0
+    },
     {
       "git-tree": "780181f6b18135c5a85f8aeb5e141f81890fb99b",
       "version": "3.1.2",