diff --git a/nixos/modules/services/web-apps/tt-rss.nix b/nixos/modules/services/web-apps/tt-rss.nix
index 6f494fae4cc1..3102e6a46953 100644
--- a/nixos/modules/services/web-apps/tt-rss.nix
+++ b/nixos/modules/services/web-apps/tt-rss.nix
@@ -534,7 +534,7 @@ let
     services.phpfpm.pools = mkIf (cfg.pool == "${poolName}") {
       ${poolName} = {
         inherit (cfg) user;
-        phpPackage = pkgs.php80;
+        phpPackage = pkgs.php81;
         settings = mapAttrs (name: mkDefault) {
           "listen.owner" = "nginx";
           "listen.group" = "nginx";
diff --git a/pkgs/servers/tt-rss/default.nix b/pkgs/servers/tt-rss/default.nix
index 113dedf090cf..842fbb7015b4 100644
--- a/pkgs/servers/tt-rss/default.nix
+++ b/pkgs/servers/tt-rss/default.nix
@@ -2,12 +2,12 @@
 
 stdenv.mkDerivation rec {
   pname = "tt-rss";
-  version = "unstable-2022-10-15";
+  version = "unstable-2023-04-13";
 
   src = fetchgit {
     url = "https://git.tt-rss.org/fox/tt-rss.git";
-    rev = "602e8684258062937d7f554ab7889e8e02318c96";
-    sha256 = "sha256-vgRaxo998Gx9rVeZZl52jppK1v11jpEK0J0NoDMT44I=";
+    rev = "0578bf802571781a0a7e3debbbec66437a7d28b4";
+    hash = "sha256-j6R1QoH8SzUtyI3rGE6rHriboAfApAo/Guw8WbJ7LqU=";
   };
 
   installPhase = ''
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
     # see the code of Config::get_version(). you can check that the version in
     # the footer of the preferences pages is not UNKNOWN
-    echo "22.10" > $out/version_static.txt
+    echo "23.04" > $out/version_static.txt
 
     runHook postInstall
   '';