diff --git a/pkgs/applications/networking/localsend/default.nix b/pkgs/applications/networking/localsend/default.nix
index 1df4baa5cbc2..87e0eb25dd40 100644
--- a/pkgs/applications/networking/localsend/default.nix
+++ b/pkgs/applications/networking/localsend/default.nix
@@ -2,16 +2,21 @@
 
 let
   pname = "localsend";
-  version = "1.11.0";
+  version = "1.11.1";
+
+  hashes = {
+    x86_64-linux = "sha256-K4M9cks0FNsCLIqQhSgUAz3tRMKng6JkZ/ZfwG2hZJA=";
+    x86_64-darwin = "sha256-Cixo00I4BBAmUnszsz+CxPX3EY175UTufCmwQmIsEgg=";
+  };
 
   srcs = rec {
     x86_64-linux = fetchurl {
       url = "https://github.com/localsend/localsend/releases/download/v${version}/LocalSend-${version}-linux-x86-64.AppImage";
-      hash = "sha256-IIxknLzlAjH27o54R0Zm7T8bhDRAIgh58Evs7zPMrPk=";
+      hash = hashes.x86_64-linux;
     };
     x86_64-darwin = fetchurl {
       url = "https://github.com/localsend/localsend/releases/download/v${version}/LocalSend-${version}.dmg";
-      hash = "sha256-NSwyyfFPQpcVZLKGqZbaBCYSQdlNxxpI8EJo49eYB/A=";
+      hash = hashes.x86_64-darwin;
     };
     aarch64-darwin = x86_64-darwin;
   };
diff --git a/pkgs/applications/networking/localsend/update.sh b/pkgs/applications/networking/localsend/update.sh
new file mode 100755
index 000000000000..55c391c6fb5f
--- /dev/null
+++ b/pkgs/applications/networking/localsend/update.sh
@@ -0,0 +1,25 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -I nixpkgs=./. -i bash -p curl gnused
+
+set -eou pipefail
+
+ROOT="$(dirname "$(readlink -f "$0")")"
+
+latestVersion=$(curl --fail --silent https://api.github.com/repos/localsend/localsend/releases/latest | jq --raw-output .tag_name | sed 's/^v//')
+
+currentVersion=$(nix-instantiate --eval -E "with import ./. {}; localsend.version or (lib.getVersion localsend)" | tr -d '"')
+
+if [[ "$currentVersion" == "$latestVersion" ]]; then
+  echo "package is up-to-date: $currentVersion"
+  exit 0
+fi
+
+sed -i "s/version = \".*\"/version = \"${latestVersion}\"/" "$ROOT/default.nix"
+
+LINUX_x64_URL="https://github.com/localsend/localsend/releases/download/v${latestVersion}/LocalSend-${latestVersion}-linux-x86-64.AppImage"
+LINUX_X64_SHA=$(nix hash to-sri --type sha256 $(nix-prefetch-url ${LINUX_x64_URL}))
+sed -i "0,/x86_64-linux/{s|x86_64-linux = \".*\"|x86_64-linux = \"${LINUX_X64_SHA}\"|}" "$ROOT/default.nix"
+
+DARWIN_x64_URL="https://github.com/localsend/localsend/releases/download/v${latestVersion}/LocalSend-${latestVersion}.dmg"
+DARWIN_X64_SHA=$(nix hash to-sri --type sha256 $(nix-prefetch-url ${DARWIN_x64_URL}))
+sed -i "0,/x86_64-darwin/{s|x86_64-darwin = \".*\"|x86_64-darwin = \"${DARWIN_X64_SHA}\"|}" "$ROOT/default.nix"