diff --git a/cmake/jsoncons.cmake b/cmake/jsoncons.cmake
index a81bd8388a0..02024fa89b1 100644
--- a/cmake/jsoncons.cmake
+++ b/cmake/jsoncons.cmake
@@ -20,8 +20,8 @@ include_guard()
 include(cmake/utils.cmake)
 
 FetchContent_DeclareGitHubWithMirror(jsoncons
-  danielaparker/jsoncons v0.173.4
-  MD5=947254529a8629d001322a78454a23d2
+  danielaparker/jsoncons v0.174.0
+  MD5=1e620831477adbed19e85248c33cbb89
 )
 
 FetchContent_MakeAvailableWithArgs(jsoncons