diff --git a/pkgs/development/tools/unityhub/default.nix b/pkgs/development/tools/unityhub/default.nix
index af67ba03bcd4..8a15b9417772 100644
--- a/pkgs/development/tools/unityhub/default.nix
+++ b/pkgs/development/tools/unityhub/default.nix
@@ -5,11 +5,11 @@
 
 stdenv.mkDerivation rec {
   pname = "unityhub";
-  version = "3.4.1";
+  version = "3.4.2";
 
   src = fetchurl {
     url = "https://hub-dist.unity3d.com/artifactory/hub-debian-prod-local/pool/main/u/unity/unityhub_amd64/unityhub-amd64-${version}.deb";
-    sha256 = "sha256-/P6gPLSRGfwEN801cyNrZTpHyZKO+4tU6cFvLz8ERuo=";
+    sha256 = "sha256-I1qtrD94IpMut0a6JUHErHaksoZ+z8/dDG8U68Y5zJE=";
   };
 
   nativeBuildInputs = [
@@ -119,6 +119,8 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
+  passthru.updateScript = ./update.sh;
+
   meta = with lib; {
     description = "Official Unity3D app to download and manage Unity Projects and installations";
     homepage = "https://unity3d.com/";
diff --git a/pkgs/development/tools/unityhub/update.sh b/pkgs/development/tools/unityhub/update.sh
new file mode 100755
index 000000000000..646652aa6fc4
--- /dev/null
+++ b/pkgs/development/tools/unityhub/update.sh
@@ -0,0 +1,13 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl common-updater-scripts
+# set -euo pipefail
+
+new_version="$(curl https://hub-dist.unity3d.com/artifactory/hub-debian-prod-local/dists/stable/main/binary-amd64/Packages --silent | sed -nE "s/^Version: ([0-9]+\.[0-9]+\.[0-9]+)$/\1/p" | sort -V | tail -n 1)"
+old_version="$(sed -nE 's/^\s*version = "([0-9]+\.[0-9]+\.[0-9]+)";$/\1/p' ./default.nix)"
+
+if [[ "$new_version" == "$old_version" ]]; then
+    echo "Up to date"
+    exit 0
+fi
+
+update-source-version unityhub "$new_version"