diff --git a/ports/gtl/portfile.cmake b/ports/gtl/portfile.cmake
index 50956ea245..7574a81c3d 100644
--- a/ports/gtl/portfile.cmake
+++ b/ports/gtl/portfile.cmake
@@ -3,8 +3,8 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO greg7mdp/gtl
-    REF v1.1.5
-    SHA512 87666a975d3e355d24463f31bd7fe9796eb9e90b557b678807432fc3797a2b501e76acefae490cbaa503f993efe7f44c04a7cc8bd48662c38293c90741c8f7df
+    REF "v${VERSION}"
+    SHA512 c6ab1ae6bfdee7f4fa49ab6ea27138cfe7159b5b0fb918a65f27cc7fff74e632f2567508453d1767bc406ac6286ff3a12edeffd185b5b2acf0ef304d4175b86e
     HEAD_REF main
 )
 
diff --git a/ports/gtl/vcpkg.json b/ports/gtl/vcpkg.json
index f67c086d2f..ddf3923737 100644
--- a/ports/gtl/vcpkg.json
+++ b/ports/gtl/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "gtl",
-  "version": "1.1.5",
+  "version": "1.1.8",
   "description": "Greg's Template Library of useful classes.",
   "homepage": "https://github.com/greg7mdp/gtl",
   "license": "Apache-2.0",
diff --git a/versions/baseline.json b/versions/baseline.json
index 80dcff6efd..c0d354feb0 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -2977,7 +2977,7 @@
       "port-version": 2
     },
     "gtl": {
-      "baseline": "1.1.5",
+      "baseline": "1.1.8",
       "port-version": 0
     },
     "gts": {
diff --git a/versions/g-/gtl.json b/versions/g-/gtl.json
index bc8ed1da42..d78d1194f4 100644
--- a/versions/g-/gtl.json
+++ b/versions/g-/gtl.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "1da92945b6f2d37dbf8c5e8f2c7804d7f02080fb",
+      "version": "1.1.8",
+      "port-version": 0
+    },
     {
       "git-tree": "1e858eb1464aecbfd828e88515da6c75dc9277bd",
       "version": "1.1.5",