diff --git a/ports/jsoncons/CONTROL b/ports/jsoncons/CONTROL
index 584892cff..c054af723 100644
--- a/ports/jsoncons/CONTROL
+++ b/ports/jsoncons/CONTROL
@@ -1,4 +1,4 @@
 Source: jsoncons
-Version: 0.133.0
+Version: 0.134.0
 Description: A C++, header-only library for constructing JSON and JSON-like text and binary data formats, with JSON Pointer, JSON Patch, JSONPath, CSV, MessagePack, CBOR, BSON, UBJSON
 Homepage: https://github.com/danielaparker/jsoncons
diff --git a/ports/jsoncons/portfile.cmake b/ports/jsoncons/portfile.cmake
index 8814bccae..b4f169862 100644
--- a/ports/jsoncons/portfile.cmake
+++ b/ports/jsoncons/portfile.cmake
@@ -3,8 +3,8 @@ include(vcpkg_common_functions)
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO danielaparker/jsoncons
-    REF v0.133.0
-    SHA512 3c650f68937185248f971fb7681965d9345f527cd4240104284ec4a867e50b04344170ba937b5041ff1b4044020ce346c9a35bb96863834da3c7f5b0b32c1bb5
+    REF v0.134.0
+    SHA512 2c075dd415796f25d24ba9a458893435b1b5b2155978c7722aa1e676e41c5ec53a47b60346c68d30e8c24cc7bb1fb32cd71f6c7be226283dde39de700c8b4f0d
     HEAD_REF master
 )