diff --git a/pkgs/development/libraries/fmt/default.nix b/pkgs/development/libraries/fmt/default.nix
index 4c439717bacd..0796febe4ae1 100644
--- a/pkgs/development/libraries/fmt/default.nix
+++ b/pkgs/development/libraries/fmt/default.nix
@@ -67,14 +67,7 @@ in
   };
 
   fmt_10 = generic {
-    version = "10.0.0";
-    sha256 = "sha256-sVY2TVPS/Zx32p5XIYR6ghqN4kOZexzH7Cr+y8sZXK8=";
-    patches = [
-      # fixes a test failure on pkgsMusl.fmt
-      (fetchpatch {
-        url = "https://github.com/fmtlib/fmt/commit/eaa6307691a9edb9e2f2eacf70500fc6989b416c.diff";
-        hash = "sha256-PydnmOn/o9DexBViFGUUAO9KFjVS6CN8GVDHcl/+K8g=";
-      })
-    ];
+    version = "10.1.0";
+    sha256 = "sha256-t/Mcl3n2dj8UEnptQh4YgpvWrxSYN3iGPZ3LKwzlPAg=";
   };
 }