diff --git a/ports/cleishm-thermo-cpp/portfile.cmake b/ports/cleishm-thermo-cpp/portfile.cmake
index be746ac2b0..8f66ea580c 100644
--- a/ports/cleishm-thermo-cpp/portfile.cmake
+++ b/ports/cleishm-thermo-cpp/portfile.cmake
@@ -2,7 +2,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO cleishm/thermo-cpp
     REF "v${VERSION}"
-    SHA512 cd0c21ea0450ee829e928bca16f662d2d6a66bffa11b10337d45ce7b310a158b28b22d94aa9049ce66097f72cba862b6ad0b6de8a47a5b42364e8deffa6ca55c
+    SHA512 59053c3bbfd025023b66eca6dc4f849bd0e80e04e832885d6169c6da41a619cd8262846773c4f4b14801c39fbe665a4da345c4a2449a43636f28db1654527b05
     HEAD_REF main
 )
 
diff --git a/ports/cleishm-thermo-cpp/vcpkg.json b/ports/cleishm-thermo-cpp/vcpkg.json
index bbc9f1fa37..1b736eb239 100644
--- a/ports/cleishm-thermo-cpp/vcpkg.json
+++ b/ports/cleishm-thermo-cpp/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "cleishm-thermo-cpp",
-  "version": "1.2.2",
+  "version": "1.3.0",
   "description": "Type-safe temperature handling library modeled after std::chrono",
   "homepage": "https://github.com/cleishm/thermo-cpp",
   "license": "MIT",
diff --git a/versions/baseline.json b/versions/baseline.json
index 77e90114f8..8712d7cbe7 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -1813,7 +1813,7 @@
       "port-version": 0
     },
     "cleishm-thermo-cpp": {
-      "baseline": "1.2.2",
+      "baseline": "1.3.0",
       "port-version": 0
     },
     "clfft": {
diff --git a/versions/c-/cleishm-thermo-cpp.json b/versions/c-/cleishm-thermo-cpp.json
index cc841f5f5c..743a187ae9 100644
--- a/versions/c-/cleishm-thermo-cpp.json
+++ b/versions/c-/cleishm-thermo-cpp.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "34aab5cfd1c586331dedf5c26d49b0423a0b0573",
+      "version": "1.3.0",
+      "port-version": 0
+    },
     {
       "git-tree": "5ec51f2c8c8275c46c4f798f7c4c3af4f3a78080",
       "version": "1.2.2",