diff --git a/pkgs/by-name/ne/newsflash/package.nix b/pkgs/by-name/ne/newsflash/package.nix
index 0398d5db457f..653216ce4624 100644
--- a/pkgs/by-name/ne/newsflash/package.nix
+++ b/pkgs/by-name/ne/newsflash/package.nix
@@ -18,35 +18,33 @@
   gtksourceview5,
   libadwaita,
   libglycin,
-  libseccomp,
   libxml2,
   openssl,
   sqlite,
   webkitgtk_6_0,
   glib-networking,
-  librsvg,
   gst_all_1,
   nix-update-script,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "newsflash";
-  version = "5.1.0";
+  version = "5.2.3";
 
   src = fetchFromGitLab {
     owner = "news-flash";
     repo = "news_flash_gtk";
     tag = "v.${finalAttrs.version}";
-    hash = "sha256-BfzrnTyMLFiM+aHtrppvl/j/fjB4TbEkbl/yHYOnXa8=";
+    hash = "sha256-EeB2DNXxvo7biIv426+dkCKbjn2uxyXgvA1FbKevaFQ=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit (finalAttrs) pname version src;
-    hash = "sha256-4z2RGelDhi4RmVQ/+Ba340Pm05x4ruaRYAtJ1HuRHqA=";
+    hash = "sha256-OPxMsNhdMSt8mLhsNIBTjggSL1f3bZMH/5shESDV6yE=";
   };
 
   postPatch = ''
-    patchShebangs build-aux/cargo.sh
+    patchShebangs --build build-aux/cargo.sh
     meson rewrite kwargs set project / version '${finalAttrs.version}'
     substituteInPlace src/meson.build --replace-fail \
       "'src' / rust_target / 'news_flash_gtk'" \
@@ -79,7 +77,6 @@ stdenv.mkDerivation (finalAttrs: {
     gtksourceview5
     libadwaita
     libglycin
-    libseccomp
     libxml2
     openssl
     sqlite
@@ -87,9 +84,6 @@ stdenv.mkDerivation (finalAttrs: {
 
     # TLS support for loading external content in webkitgtk WebView
     glib-networking
-
-    # SVG support for gdk-pixbuf
-    librsvg
   ]
   ++ (with gst_all_1; [
     # Audio & video support for webkitgtk WebView