diff --git a/ports/trieste/artifact-names.diff b/ports/trieste/artifact-names.diff
deleted file mode 100644
index 5e06779700..0000000000
--- a/ports/trieste/artifact-names.diff
+++ /dev/null
@@ -1,24 +0,0 @@
-diff --git a/parsers/json/CMakeLists.txt b/parsers/json/CMakeLists.txt
-index ac253e1..a596443 100644
---- a/parsers/json/CMakeLists.txt
-+++ b/parsers/json/CMakeLists.txt
-@@ -11,6 +11,7 @@ else()
-   add_library(json STATIC ${SOURCES})
- endif()
- enable_warnings(json)
-+set_target_properties(json PROPERTIES OUTPUT_NAME trieste-json)
- 
- add_library(trieste::json ALIAS json)
- 
-diff --git a/parsers/yaml/CMakeLists.txt b/parsers/yaml/CMakeLists.txt
-index 075ed2d..e07feba 100644
---- a/parsers/yaml/CMakeLists.txt
-+++ b/parsers/yaml/CMakeLists.txt
-@@ -13,6 +13,7 @@ else()
-   add_library(yaml STATIC ${SOURCES})
- endif()
- enable_warnings(yaml)
-+set_target_properties(yaml PROPERTIES OUTPUT_NAME trieste-yaml)
- 
- add_library(trieste::yaml ALIAS yaml)
- 
diff --git a/ports/trieste/portfile.cmake b/ports/trieste/portfile.cmake
index d995abdcdc..e0f0a5dcd1 100644
--- a/ports/trieste/portfile.cmake
+++ b/ports/trieste/portfile.cmake
@@ -2,10 +2,8 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO microsoft/Trieste
     REF "v${VERSION}"
-    SHA512 cd92ef15181c7adc4e777342b9e5ae60ec1b12356d3742044d98e54d3f9a44012c377eafbc02f92afc7f80e963b32a22e5230f765a2f63345139050512bc3af0
+    SHA512 5499e461e92c2d86853e9666c003e755c6d77f2dde0bd44f12a09a4fc7a2446e871d34fcc769b18f5ee87f8ceea79476284620d50c61ef1593e7126d273f79fc
     HEAD_REF main
-    PATCHES
-      artifact-names.diff
 )
 
 # NOTE: The CI overlay port (see .github/workflows/buildtest.yml,
@@ -14,17 +12,18 @@ vcpkg_from_github(
 # this line, update the sed pattern there.
 if("parsers" IN_LIST FEATURES)
   set(BUILD_PARSERS ON)
-  # The parser libraries lack __declspec(dllexport) annotations,
-  # so they must be built as static libraries on Windows.
-  if(VCPKG_TARGET_IS_WINDOWS)
-    vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
-  endif()
 else()
   set(BUILD_PARSERS OFF)
   # Without parsers, this is a header-only library.
   set(VCPKG_BUILD_TYPE release)
 endif()
 
+if("snmalloc" IN_LIST FEATURES)
+  set(USE_SNMALLOC ON)
+else()
+  set(USE_SNMALLOC OFF)
+endif()
+
 vcpkg_cmake_configure(
     SOURCE_PATH "${SOURCE_PATH}"
     OPTIONS
@@ -33,7 +32,7 @@ vcpkg_cmake_configure(
         -DTRIESTE_BUILD_SAMPLES=OFF
         -DTRIESTE_BUILD_PARSERS=${BUILD_PARSERS}
         -DTRIESTE_ENABLE_TESTING=OFF
-        -DTRIESTE_USE_SNMALLOC=OFF
+        -DTRIESTE_USE_SNMALLOC=${USE_SNMALLOC}
 )
 
 vcpkg_cmake_install()
diff --git a/ports/trieste/vcpkg.json b/ports/trieste/vcpkg.json
index 84fe56e8c4..baa4ee3093 100644
--- a/ports/trieste/vcpkg.json
+++ b/ports/trieste/vcpkg.json
@@ -1,14 +1,12 @@
 {
   "name": "trieste",
-  "version": "1.0.0",
-  "port-version": 1,
+  "version": "1.1.0",
   "description": "A header-only C++20 term rewriting system for rapidly prototyping programming languages",
   "homepage": "https://github.com/microsoft/Trieste",
   "license": "MIT",
   "supports": "!x86",
   "dependencies": [
     "cli11",
-    "snmalloc",
     {
       "name": "vcpkg-cmake",
       "host": true
@@ -21,6 +19,12 @@
   "features": {
     "parsers": {
       "description": "Build the JSON and YAML parser libraries (trieste::json, trieste::yaml)"
+    },
+    "snmalloc": {
+      "description": "Override global new/delete with snmalloc",
+      "dependencies": [
+        "snmalloc"
+      ]
     }
   }
 }
diff --git a/versions/baseline.json b/versions/baseline.json
index 4da27ad40f..a032ac394c 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -10193,8 +10193,8 @@
       "port-version": 0
     },
     "trieste": {
-      "baseline": "1.0.0",
-      "port-version": 1
+      "baseline": "1.1.0",
+      "port-version": 0
     },
     "triton": {
       "baseline": "2025-02-15",
diff --git a/versions/t-/trieste.json b/versions/t-/trieste.json
index c66ba54ff1..90e9c3775b 100644
--- a/versions/t-/trieste.json
+++ b/versions/t-/trieste.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "85709e06d82ab8eef68ce5f8d3b863c22489323b",
+      "version": "1.1.0",
+      "port-version": 0
+    },
     {
       "git-tree": "25b6a9820380be0dad2bad0614fe095e3585ed90",
       "version": "1.0.0",