diff --git a/pkgs/applications/office/trilium/default.nix b/pkgs/applications/office/trilium/default.nix
index 00d8bb0d275..c09f78cf873 100644
--- a/pkgs/applications/office/trilium/default.nix
+++ b/pkgs/applications/office/trilium/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, p7zip, autoPatchelfHook, atomEnv, makeWrapper, makeDesktopItem }:
+{ stdenv, fetchurl, autoPatchelfHook, atomEnv, makeWrapper, makeDesktopItem }:
 
 let
   description = "Trilium Notes is a hierarchical note taking application with focus on building large personal knowledge bases.";
@@ -13,15 +13,23 @@ let
 
 in stdenv.mkDerivation rec {
   name = "trilium-${version}";
-  version = "0.27.4";
+  version = "0.28.3";
 
   src = fetchurl {
-    url = "https://github.com/zadam/trilium/releases/download/v${version}/trilium-linux-x64-${version}.7z";
-    sha256 = "1qb11axaifw5xjycrc6qsyd8h36rgjd7rjql8895v8agckf3g2c1";
+    url = "https://github.com/zadam/trilium/releases/download/v${version}/trilium-linux-x64-${version}.tar.xz";
+    sha256 = "0bg7fzb0drw6692hcskiwwd4d9s9547cqp3m1s4qj0y7ca3wrx8r";
   };
 
+  # Fetch from source repo, no longer included in release.
+  # (they did special-case icon.png but we want the scalable svg)
+  # Use the version here to ensure we get any changes.
+  trilium_svg = fetchurl {
+    url = "https://raw.githubusercontent.com/zadam/trilium/v${version}/src/public/images/trilium.svg";
+    sha256 = "1rgj7pza20yndfp8n12k93jyprym02hqah36fkk2b3if3kcmwnfg";
+  };
+
+
   nativeBuildInputs = [
-    p7zip /* for unpacking */
     autoPatchelfHook
     makeWrapper
   ];
@@ -36,7 +44,7 @@ in stdenv.mkDerivation rec {
     cp -r ./* $out/share/trilium
     ln -s $out/share/trilium/trilium $out/bin/trilium
 
-    ln -s $out/share/trilium/resources/app/src/public/images/trilium.svg $out/share/icons/hicolor/scalable/apps/trilium.svg
+    ln -s ${trilium_svg} $out/share/icons/hicolor/scalable/apps/trilium.svg
     cp ${desktopItem}/share/applications/* $out/share/applications
   '';