diff --git a/contrib/fmtlib b/contrib/fmtlib
index c108ee1d590..b6f4ceaed0a 160000
--- a/contrib/fmtlib
+++ b/contrib/fmtlib
@@ -1 +1 @@
-Subproject commit c108ee1d590089ccf642fc85652b845924067af2
+Subproject commit b6f4ceaed0a0a24ccf575fab6c56dd50ccf6f1a9
diff --git a/contrib/fmtlib-cmake/CMakeLists.txt b/contrib/fmtlib-cmake/CMakeLists.txt
index d8cb721b9ba..fecec5f3e43 100644
--- a/contrib/fmtlib-cmake/CMakeLists.txt
+++ b/contrib/fmtlib-cmake/CMakeLists.txt
@@ -1,7 +1,10 @@
 set (SRCS
+    # NOTE: do not build module for now:
+    # ../fmtlib/src/fmt.cc
     ../fmtlib/src/format.cc
     ../fmtlib/src/os.cc
 
+    ../fmtlib/include/fmt/args.h
     ../fmtlib/include/fmt/chrono.h
     ../fmtlib/include/fmt/color.h
     ../fmtlib/include/fmt/compile.h
@@ -11,9 +14,9 @@ set (SRCS
     ../fmtlib/include/fmt/locale.h
     ../fmtlib/include/fmt/os.h
     ../fmtlib/include/fmt/ostream.h
-    ../fmtlib/include/fmt/posix.h
     ../fmtlib/include/fmt/printf.h
     ../fmtlib/include/fmt/ranges.h
+    ../fmtlib/include/fmt/xchar.h
 )
 
 add_library(_fmt ${SRCS})