diff --git a/ports/quantlib/portfile.cmake b/ports/quantlib/portfile.cmake
index 5599b6f771..6d0d939153 100644
--- a/ports/quantlib/portfile.cmake
+++ b/ports/quantlib/portfile.cmake
@@ -1,8 +1,8 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO lballabio/QuantLib
-    REF QuantLib-v1.27
-    SHA512 c763e7083e1e832d39adb507cc6b34b1ad0a0b7f2b7ffe390428f93fb1df84fcbbf43bcb31dd2f2381da2ac563c88a10fbd932ea5155bd43c604025960039b58
+    REF QuantLib-v1.28
+    SHA512 720bc18e5a01367e5cea5c9a28f2103357e6d2708dbc13c208a73b52bc615ba03ab248eca75f94e9c7631e340faa87a18bef94b4ae9f277006fc62fac4b30bc4
     HEAD_REF master
 )
 
diff --git a/ports/quantlib/vcpkg.json b/ports/quantlib/vcpkg.json
index b668af29fb..e9e6b4a685 100644
--- a/ports/quantlib/vcpkg.json
+++ b/ports/quantlib/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "quantlib",
-  "version": "1.27",
+  "version": "1.28",
   "description": "The QuantLib C++ library",
   "homepage": "https://www.quantlib.org/",
   "license": "BSD-3-Clause",
diff --git a/versions/baseline.json b/versions/baseline.json
index 3397318765..22fe15bc35 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -6361,7 +6361,7 @@
       "port-version": 1
     },
     "quantlib": {
-      "baseline": "1.27",
+      "baseline": "1.28",
       "port-version": 0
     },
     "quaternions": {
diff --git a/versions/q-/quantlib.json b/versions/q-/quantlib.json
index 14ea49faa8..14f6b96be8 100644
--- a/versions/q-/quantlib.json
+++ b/versions/q-/quantlib.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "9507c0b648cda5733adf67cabafd6cadb849eff5",
+      "version": "1.28",
+      "port-version": 0
+    },
     {
       "git-tree": "1b757843f94ec0950f693324ea419498a12e415f",
       "version": "1.27",