diff --git a/ports/st-tree/portfile.cmake b/ports/st-tree/portfile.cmake
index b3c53da18a..5086a4db13 100644
--- a/ports/st-tree/portfile.cmake
+++ b/ports/st-tree/portfile.cmake
@@ -2,7 +2,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO erikerlandson/st_tree
     REF "version_${VERSION}"
-    SHA512 354181bf397d92a863fcb46a6c07aec44599720456f61d639b3f0df4b95a6f908d0d44d3b2a430b3ef5a30c5df24ad29f638c4f8f80e51682d3eee800cfeea57
+    SHA512 dd555fce81cde5aa4b30854c856eb7dfd61ee1a7f5874c7538990fa331cfbe85838cb2a547af5e255debf04be3e0f5599701ce64743071f935a97162e48cd59d
     HEAD_REF develop
 )
 
diff --git a/ports/st-tree/vcpkg.json b/ports/st-tree/vcpkg.json
index b436222cd9..95a681237d 100644
--- a/ports/st-tree/vcpkg.json
+++ b/ports/st-tree/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "st-tree",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "A fast and flexible c++ template class for tree data structures",
   "homepage": "https://github.com/erikerlandson/st_tree",
   "license": "Apache-2.0",
diff --git a/versions/baseline.json b/versions/baseline.json
index dd23f44e66..85bb237fb4 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -9477,7 +9477,7 @@
       "port-version": 0
     },
     "st-tree": {
-      "baseline": "1.3.0",
+      "baseline": "1.4.0",
       "port-version": 0
     },
     "stackwalker": {
diff --git a/versions/s-/st-tree.json b/versions/s-/st-tree.json
index ee025f268b..9cd434d1c0 100644
--- a/versions/s-/st-tree.json
+++ b/versions/s-/st-tree.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "29a2f889eb9f5b2611b35db6d1ad746b718d5abf",
+      "version": "1.4.0",
+      "port-version": 0
+    },
     {
       "git-tree": "526ad9fc8ea20e519c365ff439bd8af976d9d8f6",
       "version": "1.3.0",