diff --git a/ports/thermadiag-seq/portfile.cmake b/ports/thermadiag-seq/portfile.cmake
index e5b0b0b709..96ecb8496a 100644
--- a/ports/thermadiag-seq/portfile.cmake
+++ b/ports/thermadiag-seq/portfile.cmake
@@ -2,7 +2,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO Thermadiag/seq
     REF "v${VERSION}"
-    SHA512 a784727e9b720e811ffd4431b194305fdabd5719abeb69df6d6a85e4f16f796ab702e1c4790a3509f70f52d00f38b1775daab33648b781b7771d165c328692f8
+    SHA512 2f5e791f6dcc59985c89b83e43e360cd545a24a94f317fb20e744c985ed93a30579885539d11b446d8b90edc8860394e4dd073f20c751ceeb94dc43367c17459
     HEAD_REF main
 )
 
diff --git a/ports/thermadiag-seq/vcpkg.json b/ports/thermadiag-seq/vcpkg.json
index 383b7eb6ce..d774037c36 100644
--- a/ports/thermadiag-seq/vcpkg.json
+++ b/ports/thermadiag-seq/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "thermadiag-seq",
-  "version": "2.0",
+  "version": "2.1",
   "description": "a collection of original C++17 STL-like containers and related tools",
   "homepage": "https://github.com/Thermadiag/seq",
   "license": "MIT",
diff --git a/versions/baseline.json b/versions/baseline.json
index 9df624d5b9..88def8ed74 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -10081,7 +10081,7 @@
       "port-version": 2
     },
     "thermadiag-seq": {
-      "baseline": "2.0",
+      "baseline": "2.1",
       "port-version": 0
     },
     "think-cell-range": {
diff --git a/versions/t-/thermadiag-seq.json b/versions/t-/thermadiag-seq.json
index a12449f0e2..24afdc02f1 100644
--- a/versions/t-/thermadiag-seq.json
+++ b/versions/t-/thermadiag-seq.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "6d6e4599e2a81b113157084bd7a08ff9a043d856",
+      "version": "2.1",
+      "port-version": 0
+    },
     {
       "git-tree": "aefa3441d6dda2749bc6dfe36e7163c468486992",
       "version": "2.0",