diff --git a/pkgs/development/libraries/libmicrohttpd/default.nix b/pkgs/development/libraries/libmicrohttpd/default.nix
index 3f678e0eb96..0ecd568c376 100644
--- a/pkgs/development/libraries/libmicrohttpd/default.nix
+++ b/pkgs/development/libraries/libmicrohttpd/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "libmicrohttpd-${version}";
-  version = "0.9.62";
+  version = "0.9.63";
 
   src = fetchurl {
     url = "mirror://gnu/libmicrohttpd/${name}.tar.gz";
-    sha256 = "0jfvi1fb4im3a3m8qishbmzx3zch993c0mhvl2k92l1zf1yhjgmx";
+    sha256 = "173lj66crwvhzwp1r812sc5h1hda7g6lb9l1y5zf7w3pw4dnzhrp";
   };
 
   outputs = [ "out" "dev" "devdoc" "info" ];