diff --git a/CMakeLists.txt b/CMakeLists.txt
index bacac20..ef3ff66 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ if (NOT DEFINED OPTCON_LOCAL_BUILD)
     FetchContent_Declare(
         fmt
         GIT_REPOSITORY https://github.com/fmtlib/fmt
-        GIT_TAG 123913715afeb8a437e6388b4473fcc4753e1c9a # 11.1.4
+        GIT_TAG 407c905e45ad75fc29bf0f9bb7c5c2fd3475976f # 12.1.0
         SYSTEM
     )