diff --git a/NEWS.md b/NEWS.md
index a5f20e8df..5d8e96930 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -47,6 +47,7 @@
 * MKVToolNix now requires version 4 of fmtlib or later for the
   `fmt::to_string` function. If a system-wide version is installed that's
   older, the bundled copy will be used.
+* The bundled version of fmtlib has been updated to release 6.2.1.
 
 
 # Version 46.0.0 "No Deeper Escape" 2020-05-01
diff --git a/lib/fmt b/lib/fmt
index 7512a55aa..19bd75102 160000
--- a/lib/fmt
+++ b/lib/fmt
@@ -1 +1 @@
-Subproject commit 7512a55aa3ae309587ca89668ef9ec4074a51a1f
+Subproject commit 19bd751020a1f3c3363b2eb67a039852f139a8d3