diff --git a/pkgs/servers/prowlarr/default.nix b/pkgs/servers/prowlarr/default.nix
index 12df9c02d071..0e3626228a49 100644
--- a/pkgs/servers/prowlarr/default.nix
+++ b/pkgs/servers/prowlarr/default.nix
@@ -1,33 +1,39 @@
 { lib, stdenv, fetchurl, mono, libmediainfo, sqlite, curl, makeWrapper, icu, dotnet-runtime, openssl, nixosTests, zlib }:
 
 let
+  pname = "prowlarr";
+
+  unsupported = throw "Unsupported system ${stdenv.hostPlatform.system} for ${pname}";
+
   os =
     if stdenv.isDarwin then
       "osx"
     else if stdenv.isLinux then
       "linux"
     else
-      throw "Not supported on ${stdenv.hostPlatform.system}.";
+      unsupported;
 
   arch = {
-    x86_64-linux = "x64";
+    aarch64-darwin = "arm64";
     aarch64-linux = "arm64";
     x86_64-darwin = "x64";
-  }."${stdenv.hostPlatform.system}" or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
+    x86_64-linux = "x64";
+  }.${stdenv.hostPlatform.system} or unsupported;
 
   hash = {
-    x64-linux_hash = "sha256-Xx2z5aiIKRNbBxBMXCTfm1VacQOLyruC6sXB/+C7knk=";
-    arm64-linux_hash = "sha256-r6WuQhydSRZmsH1hp51gGcQ/7ZruxbEMrbrFps2nmcw=";
-    x64-osx_hash = "sha256-F8bE4lXcqyBVZhgYcQKPrza9cphCuC5j7968jL6qgxM=";
-  }."${arch}-${os}_hash";
+    aarch64-darwin = "sha256-S9CrYDCwIssAtcP4pI1csbOOFKaZgM6UKEDNBp2VwVo=";
+    aarch64-linux = "sha256-UkoTWD4ljSfx/FzH5kQBpp/Bg+xwvc7n9KLBrqNNSR0=";
+    x86_64-darwin = "sha256-Wru+pwISVgjnSVe8HbiwU4M1aIIK5AGzml/2yqMGIlo=";
+    x86_64-linux = "sha256-eJRJ1LvQsmlMeWoUmGrAyLfoebG8g/Kl2lBQxMjIyTY=";
+  }.${stdenv.hostPlatform.system} or unsupported;
 
 in stdenv.mkDerivation rec {
-  pname = "prowlarr";
-  version = "1.2.0.2583";
+  inherit pname;
+  version = "1.2.2.2699";
 
   src = fetchurl {
-    url = "https://github.com/Prowlarr/Prowlarr/releases/download/v${version}/Prowlarr.develop.${version}.${os}-core-${arch}.tar.gz";
-    sha256 = hash;
+    url = "https://github.com/Prowlarr/Prowlarr/releases/download/v${version}/Prowlarr.master.${version}.${os}-core-${arch}.tar.gz";
+    inherit hash;
   };
 
   nativeBuildInputs = [ makeWrapper ];
@@ -54,8 +60,14 @@ in stdenv.mkDerivation rec {
   meta = with lib; {
     description = "An indexer manager/proxy built on the popular arr .net/reactjs base stack";
     homepage = "https://wiki.servarr.com/prowlarr";
+    changelog = "https://github.com/Prowlarr/Prowlarr/releases/tag/v${version}";
     license = licenses.gpl3Only;
     maintainers = with maintainers; [ jdreaver ];
-    platforms = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" ];
+    platforms = [
+      "aarch64-darwin"
+      "aarch64-linux"
+      "x86_64-darwin"
+      "x86_64-linux"
+    ];
   };
 }
diff --git a/pkgs/servers/prowlarr/update.sh b/pkgs/servers/prowlarr/update.sh
index d61edda5a0a3..883f299d9aa0 100755
--- a/pkgs/servers/prowlarr/update.sh
+++ b/pkgs/servers/prowlarr/update.sh
@@ -7,17 +7,19 @@ dirname="$(dirname "$0")"
 
 updateHash()
 {
+    # nixos
     version=$1
-    arch=$2
-    os=$3
+    system=$2
 
-    hashKey="${arch}-${os}_hash"
+    # prowlarr
+    arch=$3
+    os=$4
 
-    url="https://github.com/Prowlarr/Prowlarr/releases/download/v$version/Prowlarr.develop.$version.$os-core-$arch.tar.gz"
+    url="https://github.com/Prowlarr/Prowlarr/releases/download/v$version/Prowlarr.master.$version.$os-core-$arch.tar.gz"
     hash=$(nix-prefetch-url --type sha256 $url)
     sriHash="$(nix hash to-sri --type sha256 $hash)"
 
-    sed -i "s|$hashKey = \"[a-zA-Z0-9\/+-=]*\";|$hashKey = \"$sriHash\";|g" "$dirname/default.nix"
+    sed -i "s|$system = \"sha256-[a-zA-Z0-9\/+-=]*\";|$system = \"$sriHash\";|g" "$dirname/default.nix"
 }
 
 updateVersion()
@@ -27,16 +29,8 @@ updateVersion()
 
 currentVersion=$(cd $dirname && nix eval --raw -f ../../.. prowlarr.version)
 
-# N.B. Prowlarr is still in development, so
-# https://api.github.com/repos/Prowlarr/Prowlarr/releases/latest
-# returns nothing. Once this endpoint returns something, we should use
-# it. Until then, we use jq to sort releases (N.B. the "sort_by(. |
-# split(".") | map(tonumber))" incantation is to sort the version
-# number properly and not as a string).
-
-# latestTag=$(curl https://api.github.com/repos/Prowlarr/Prowlarr/releases/latest | jq -r ".tag_name")
-# latestVersion="$(expr $latestTag : 'v\(.*\)')"
-latestVersion=$(curl https://api.github.com/repos/Prowlarr/Prowlarr/git/refs/tags | jq '. | map(.ref | sub("refs/tags/v";"")) | sort_by(. | split(".") | map(tonumber)) | .[-1]' -r)
+latestTag=$(curl https://api.github.com/repos/Prowlarr/Prowlarr/releases/latest | jq -r ".tag_name")
+latestVersion="$(expr $latestTag : 'v\(.*\)')"
 
 if [[ "$currentVersion" == "$latestVersion" ]]; then
     echo "Prowlarr is up-to-date: ${currentVersion}"
@@ -45,6 +39,7 @@ fi
 
 updateVersion $latestVersion
 
-updateHash $latestVersion x64 linux
-updateHash $latestVersion arm64 linux
-updateHash $latestVersion x64 osx
+updateHash $latestVersion aarch64-darwin arm64 osx
+updateHash $latestVersion aarch64-linux arm64 linux
+updateHash $latestVersion x86_64-darwin x64 osx
+updateHash $latestVersion x86_64-linux x64 linux