diff --git a/ports/gtl/portfile.cmake b/ports/gtl/portfile.cmake
index 7574a81c3d..47e707b0f3 100644
--- a/ports/gtl/portfile.cmake
+++ b/ports/gtl/portfile.cmake
@@ -4,7 +4,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO greg7mdp/gtl
     REF "v${VERSION}"
-    SHA512 c6ab1ae6bfdee7f4fa49ab6ea27138cfe7159b5b0fb918a65f27cc7fff74e632f2567508453d1767bc406ac6286ff3a12edeffd185b5b2acf0ef304d4175b86e
+    SHA512 068d37b7028979538884db5956a76e1de301202eb6b015104c6d8b246e894f9166b1d2b97aff47b2641b6948e7dd1cd20a74396f1a6d276e2ade74469d27c3c2
     HEAD_REF main
 )
 
diff --git a/ports/gtl/vcpkg.json b/ports/gtl/vcpkg.json
index ddf3923737..95e81db550 100644
--- a/ports/gtl/vcpkg.json
+++ b/ports/gtl/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "gtl",
-  "version": "1.1.8",
+  "version": "1.2.0",
   "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 ae9ed0242e..d207693a9b 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -3297,7 +3297,7 @@
       "port-version": 0
     },
     "gtl": {
-      "baseline": "1.1.8",
+      "baseline": "1.2.0",
       "port-version": 0
     },
     "gts": {
diff --git a/versions/g-/gtl.json b/versions/g-/gtl.json
index d78d1194f4..dc1958522b 100644
--- a/versions/g-/gtl.json
+++ b/versions/g-/gtl.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "adf0008bd407b22ab2f5c90d2965cfa59d9b8292",
+      "version": "1.2.0",
+      "port-version": 0
+    },
     {
       "git-tree": "1da92945b6f2d37dbf8c5e8f2c7804d7f02080fb",
       "version": "1.1.8",