diff --git a/pkgs/development/tools/build-managers/gup/default.nix b/pkgs/development/tools/build-managers/gup/default.nix
index dfa65736f99f..2a686226832f 100644
--- a/pkgs/development/tools/build-managers/gup/default.nix
+++ b/pkgs/development/tools/build-managers/gup/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchFromGitHub, nix-update-source, lib, python3
 , which, runtimeShell, pychecker ? null }:
 stdenv.mkDerivation rec {
-  version = "0.7.0";
+  version = "0.8.0";
   src = fetchFromGitHub {
     owner = "timbertson";
     repo = "gup";
-    rev = "version-0.7.0";
-    sha256 = "1pwnmlq2pgkkln9sgz4wlb9dqlqw83bkf105qljnlvggc21zm3pv";
+    rev = "version-0.8.0";
+    sha256 = "1zjd76jyb5zc9w3l368723bjmxjl05s096g8ipwncfks1p9hdgf3";
   };
   pname = "gup";
   nativeBuildInputs = [ python3 which pychecker ];
@@ -18,20 +18,23 @@ stdenv.mkDerivation rec {
     mkdir $out
     cp -r python/bin $out/bin
   '';
-  passthru.updateScript = ''
-    #!${runtimeShell}
-    set -e
-    echo
-    cd ${toString ./.}
-    ${nix-update-source}/bin/nix-update-source \
-      --prompt version \
-      --replace-attr version \
-      --set owner timbertson \
-      --set repo gup \
-      --set type fetchFromGitHub \
-      --set rev 'version-{version}' \
-      --modify-nix default.nix
-  '';
+  passthru.updateScript = [
+    runtimeShell
+    "-c"
+    ''
+      set -e
+      echo
+      cd ${toString ./.}
+      ${nix-update-source}/bin/nix-update-source \
+        --prompt version \
+        --replace-attr version \
+        --set owner timbertson \
+        --set repo gup \
+        --set type fetchFromGitHub \
+        --set rev 'version-{version}' \
+        --modify-nix default.nix
+    ''
+  ];
   meta = {
     inherit (src.meta) homepage;
     description = "A better make, inspired by djb's redo";