diff --git a/nixos/tests/lemmy.nix b/nixos/tests/lemmy.nix
index fb64daa80e6..b1a39827b07 100644
--- a/nixos/tests/lemmy.nix
+++ b/nixos/tests/lemmy.nix
@@ -26,6 +26,8 @@ in
             site_name = "Lemmy FTW";
             admin_email = "mightyiam@example.com";
           };
+          # https://github.com/LemmyNet/lemmy/blob/50efb1d519c63a7007a07f11cc8a11487703c70d/crates/utils/src/settings/mod.rs#L52
+          database.uri = "postgres:///lemmy?host=/run/postgresql&user=lemmy";
         };
         caddy.enable = true;
       };
diff --git a/pkgs/servers/web-apps/lemmy/ui.nix b/pkgs/servers/web-apps/lemmy/ui.nix
index 6213b246f30..65076eaa89e 100644
--- a/pkgs/servers/web-apps/lemmy/ui.nix
+++ b/pkgs/servers/web-apps/lemmy/ui.nix
@@ -7,6 +7,8 @@
 , fetchFromGitHub
 , fetchYarnDeps
 , nixosTests
+, vips
+, nodePackages
 }:
 
 let
@@ -21,6 +23,13 @@ let
         rm build/config.gypi
       '';
     };
+    sharp = {
+      nativeBuildInputs = [ pkg-config nodePackages.semver ];
+      buildInputs = [ vips ];
+      postInstall = ''
+        yarn --offline run install
+      '';
+    };
   };
 
   name = "lemmy-ui";
@@ -65,6 +74,10 @@ mkYarnPackage {
     cp -R ./node_modules $out
   '';
 
+  postInstall = ''
+    echo 'export const VERSION = "${version}";' > $out/libexec/lemmy-ui/deps/lemmy-ui/src/shared/version.ts
+  '';
+
   distPhase = "true";
 
   passthru.updateScript = ./update.sh;