diff --git a/MANIFEST.in b/MANIFEST.in
index 9bff2b13..6d8216f8 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -10,9 +10,11 @@ include extlib/nlohmann/json.hpp
 # fmt
 recursive-include extlib/fmt/include *
 recursive-include extlib/fmt/src *
-recursive-include extlib/fmt/support/cmake *.cmake
+recursive-include extlib/fmt/support/cmake *
 include extlib/fmt/CMakeLists.txt
 include extlib/fmt/*.rst
+include extlib/fmt/README.md
+include extlib/fmt/ChangeLog.md
 
 # highfive
 recursive-include extlib/HighFive/include *
diff --git a/extlib/fmt b/extlib/fmt
index cc09f1a6..0c9fce2f 160000
--- a/extlib/fmt
+++ b/extlib/fmt
@@ -1 +1 @@
-Subproject commit cc09f1a6798c085c325569ef466bcdcffdc266d4
+Subproject commit 0c9fce2ffefecfdce794e1859584e25877b7b592