diff --git a/LibConf b/LibConf
index e33889e..f7f60e6 100644
--- a/LibConf
+++ b/LibConf
@@ -2,7 +2,7 @@
 Import('env')
 
 # LibFmt
-lib_fmt = env.Cook('fmt', git_ref = 'refs/tags/10.0.0')
+lib_fmt = env.Cook('fmt', git_ref = 'refs/tags/10.2.1')
 
 # magic_enum
 lib_magic_enum = env.Cook('magic_enum', git_ref = 'refs/tags/v0.9.3')