diff --git a/pkgs/misc/emulators/mednafen/default.nix b/pkgs/misc/emulators/mednafen/default.nix
index e87ac98c8380..825968c61631 100644
--- a/pkgs/misc/emulators/mednafen/default.nix
+++ b/pkgs/misc/emulators/mednafen/default.nix
@@ -7,11 +7,11 @@
 stdenv.mkDerivation rec {
 
   name = "mednafen-${version}";
-  version = "0.9.36.4";
+  version = "0.9.38.5";
 
   src = fetchurl {
     url = "http://downloads.sourceforge.net/project/mednafen/Mednafen/${version}/${name}.tar.bz2";
-    sha256 = "0s6dhdar6y64fah2ij98a9gskm0rzcbqdbksicnba8cakc87nsfy";
+    sha256 = "1s1qwwlhkxr0vhzvlc1m0ib9lj7cws3cldm2mbjz4b421nxfdi8h";
   };
 
   buildInputs = with stdenv.lib;
diff --git a/pkgs/misc/emulators/mednafen/server.nix b/pkgs/misc/emulators/mednafen/server.nix
index ce361ef9fbcc..60e458222d3c 100644
--- a/pkgs/misc/emulators/mednafen/server.nix
+++ b/pkgs/misc/emulators/mednafen/server.nix
@@ -3,11 +3,11 @@
 stdenv.mkDerivation rec {
 
   name = "mednafen-server-${version}";
-  version = "0.5.1";
+  version = "0.5.2";
 
   src = fetchurl {
     url = "http://downloads.sourceforge.net/project/mednafen/Mednafen-Server/${version}/${name}.tar.gz";
-    sha256="0c5wvg938y3h4n5lb0dl8pvmjzphhkbba34r6ikpvdahq166ps4j";
+    sha256="06fal6hwrb8gw94yp7plhcz55109128cgp35m7zs5vvjf1zfhcs9";
   };
 
   postInstall = ''