diff --git a/pkgs/by-name/ca/catppuccin-fcitx5/package.nix b/pkgs/by-name/ca/catppuccin-fcitx5/package.nix
index d062438f5e48..ef769a011d05 100644
--- a/pkgs/by-name/ca/catppuccin-fcitx5/package.nix
+++ b/pkgs/by-name/ca/catppuccin-fcitx5/package.nix
@@ -3,27 +3,36 @@
   stdenvNoCC,
   fetchFromGitHub,
   unstableGitUpdater,
+
+  withRoundedCorners ? false,
 }:
 stdenvNoCC.mkDerivation {
   pname = "catppuccin-fcitx5";
-  version = "0-unstable-2025-03-22";
+  version = "0-unstable-2025-05-16";
 
   src = fetchFromGitHub {
     owner = "catppuccin";
     repo = "fcitx5";
-    rev = "383c27ac46cbb55aa5f58acbd32841c1ed3a78a0";
-    hash = "sha256-n83f9ge4UhBFlgCPRCXygcVJiDp7st48lAJHTm1ohR4=";
+    rev = "393845cf3ed0e0000bfe57fe1b9ad75748e2547f";
+    hash = "sha256-ss0kW+ulvMhxeZKBrjQ7E5Cya+02eJrGsE4OLEkqKks=";
   };
 
   dontConfigure = true;
   dontBuild = true;
 
-  installPhase = ''
-    runHook preInstall
-    mkdir -p $out/share/fcitx5
-    cp -r src $out/share/fcitx5/themes
-    runHook postInstall
-  '';
+  installPhase =
+    ''
+      runHook preInstall
+    ''
+    + lib.optionalString withRoundedCorners ''
+      find src -name theme.conf -exec sed -iE 's/^# (Image=(panel|highlight).svg)/\1/' {} +
+    ''
+    + ''
+      mkdir -p $out/share/fcitx5
+      cp -r src $out/share/fcitx5/themes
+
+      runHook postInstall
+    '';
 
   passthru.updateScript = unstableGitUpdater { };