diff --git a/pkgs/development/libraries/libmsgpack/default.nix b/pkgs/development/libraries/libmsgpack/default.nix
index 4bec67f8513..3e43842495a 100644
--- a/pkgs/development/libraries/libmsgpack/default.nix
+++ b/pkgs/development/libraries/libmsgpack/default.nix
@@ -1,12 +1,12 @@
 { callPackage, fetchFromGitHub, ... } @ args:
 
 callPackage ./generic.nix (args // rec {
-  version = "1.0.0";
+  version = "1.0.1";
 
   src = fetchFromGitHub {
     owner = "msgpack";
     repo = "msgpack-c";
     rev = "cpp-${version}";
-    sha256 = "0vkhjil4rh5z9kvjfgzm79kfqwvlimvv49q74wlsjx7vgvv9019d";
+    sha256 = "0qyjz2rm0gxbv81dlh28ynss66dsyhlqzs09rblbjsdf1vh6yzcq";
   };
 })