diff --git a/pkgs/development/libraries/mpich/default.nix b/pkgs/development/libraries/mpich/default.nix
index ffe6b5edf96..1c6b8df1511 100644
--- a/pkgs/development/libraries/mpich/default.nix
+++ b/pkgs/development/libraries/mpich/default.nix
@@ -4,11 +4,11 @@
 
 stdenv.mkDerivation  rec {
   name = "mpich-${version}";
-  version = "3.3";
+  version = "3.3.1";
 
   src = fetchurl {
     url = "https://www.mpich.org/static/downloads/${version}/mpich-${version}.tar.gz";
-    sha256 = "02zs118q9n4xz9qnfc24i2r84vnzgnwnyyqanfv03lf3wqpy17ij";
+    sha256 = "1raism1r4jsx4cybc9ddyr1xkccbxm0l8j3ryrw8kslfkkr1wmgy";
   };
 
   configureFlags = [