diff --git a/pkgs/applications/misc/sunwait/default.nix b/pkgs/applications/misc/sunwait/default.nix
index 71c174a07e46..f824011f1b86 100644
--- a/pkgs/applications/misc/sunwait/default.nix
+++ b/pkgs/applications/misc/sunwait/default.nix
@@ -1,14 +1,14 @@
 { lib, stdenv, fetchFromGitHub }:
 
-stdenv.mkDerivation {
+stdenv.mkDerivation (finalAttrs: {
   pname = "sunwait";
-  version = "2020-10-26";
+  version = "0.9.1";
 
   src = fetchFromGitHub {
     owner = "risacher";
     repo = "sunwait";
-    rev = "102cb417ecbb7a3757ba9ee4b94d6db3225124c4";
-    sha256 = "0cs8rdcnzsl10zia2k49a6c2z6gvp5rnf31sgn3hn5c7kgy7l3ax";
+    rev = finalAttrs.version;
+    hash = "sha256-v2cNjecJ4SstOsvDe/Lu0oOyBd8I8LMHZIH+f9ZC7Fc=";
   };
 
   makeFlags = [ "C=${stdenv.cc.targetPrefix}c++" ];
@@ -17,11 +17,12 @@ stdenv.mkDerivation {
     install -Dm755 sunwait -t $out/bin
   '';
 
-  meta = with lib; {
+  meta = {
     description = "Calculates sunrise or sunset times with civil, nautical, astronomical and custom twilights";
     homepage = "https://github.com/risacher/sunwait";
-    license = licenses.gpl3Only;
-    maintainers = with maintainers; [ ];
-    platforms = platforms.all;
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ eclairevoyant ];
+    mainProgram = "sunwait";
+    platforms = lib.platforms.all;
   };
-}
+})