diff --git a/pkgs/servers/sql/postgresql/ext/pgrouting.nix b/pkgs/servers/sql/postgresql/ext/pgrouting.nix
index c51ef153444f..6604b52cfd3d 100644
--- a/pkgs/servers/sql/postgresql/ext/pgrouting.nix
+++ b/pkgs/servers/sql/postgresql/ext/pgrouting.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation rec {
   pname = "pgrouting";
-  version = "3.1.1";
+  version = "3.1.2";
 
   nativeBuildInputs = [ cmake perl ];
   buildInputs = [ postgresql boost ];
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     owner  = "pgRouting";
     repo   = pname;
     rev    = "v${version}";
-    sha256 = "1wj583c4iipsss75czww176aqa8sncsvcx1i0d6cb41v03iq5acf";
+    sha256 = "sha256-9M8Hug+znihViHC/57aPyc7Zgbeb1H8a/iVCfAG/Am8=";
   };
 
   installPhase = ''