diff --git a/pkgs/development/tools/omnisharp-roslyn/default.nix b/pkgs/development/tools/omnisharp-roslyn/default.nix
index 24631481fde2..9dd085b421fe 100644
--- a/pkgs/development/tools/omnisharp-roslyn/default.nix
+++ b/pkgs/development/tools/omnisharp-roslyn/default.nix
@@ -7,11 +7,11 @@
 stdenv.mkDerivation rec {
 
   pname = "omnisharp-roslyn";
-  version = "1.37.3";
+  version = "1.37.4";
 
   src = fetchurl {
     url = "https://github.com/OmniSharp/omnisharp-roslyn/releases/download/v${version}/omnisharp-mono.tar.gz";
-    sha256 = "09h4yxswrpxw9w4wscarbv2gypk9bwwsmpqyjfp6b5bh1frx2i67";
+    sha256 = "0pknphydf194n7rjyax4mh8n7j8679j0jflw63gfgh37daxry0r2";
   };
 
   nativeBuildInputs = [ makeWrapper ];
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   installPhase = ''
     mkdir -p $out/bin
     cd ..
-		cp -r src $out/
+    cp -r src $out/
     ls -al $out/src
     makeWrapper ${mono5}/bin/mono $out/bin/omnisharp \
     --add-flags "$out/src/OmniSharp.exe"