diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 0333b2024453..dbb6b7f71535 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -17799,6 +17799,12 @@
       fingerprint = "5814 50EB 6E17 E715 7C63  E7F1 9879 8C3C 4D68 8D6D";
     }];
   };
+  viluon = {
+    email = "nix@viluon.me";
+    github = "viluon";
+    githubId = 7235381;
+    name = "Ondřej Kvapil";
+  };
   vincentbernat = {
     email = "vincent@bernat.ch";
     github = "vincentbernat";
diff --git a/pkgs/applications/emulators/ccemux/default.nix b/pkgs/applications/emulators/ccemux/default.nix
index 742b3dc88ae2..15fb0f88593f 100644
--- a/pkgs/applications/emulators/ccemux/default.nix
+++ b/pkgs/applications/emulators/ccemux/default.nix
@@ -3,24 +3,24 @@
 }:
 
 let
-  version = "1.1.1";
-  rev = "af12e2e4da586275ba931eae8f40a2201251bf59";
+  version = "unstable-2023-07-08";
+  rev = "989cfe52a0458b991e0a7d87edec81d3fef472ac";
 
   baseUrl = "https://emux.cc/versions/${lib.substring 0 8 rev}/CCEmuX";
   jar =
     if useCCTweaked
     then fetchurl {
       url = "${baseUrl}-cct.jar";
-      sha256 = "0d9gzi1h5vz32fp4lfn7dam189jcm7bwbqwmlpj0c47p8l0d4lsv";
+      hash = "sha256-B9Zan6wpYnUtaNbUIrXvkchPiEquMs9R2Kiqg85/VdY=";
     }
     else fetchurl {
       url = "${baseUrl}-cc.jar";
-      sha256 = "0ky5vxh8m1v98zllifxif8xxd25j2xdp19hjnj4xlkck71lbnb34";
+      hash = "sha256-2Z38O6z7OrHKe8GdLnexin749uJzQaCZglS+SwVD5YE=";
     };
 
   desktopIcon = fetchurl {
     url = "https://github.com/CCEmuX/CCEmuX/raw/${rev}/src/main/resources/img/icon.png";
-    sha256 = "1vmb6rg9k2y99j8xqfgbsvfgfi3g985rmqwrd7w3y54ffr2r99c2";
+    hash = "sha256-gqWURXaOFD/4aZnjmgtKb0T33NbrOdyRTMmLmV42q+4=";
   };
   desktopItem =  makeDesktopItem {
     name = "CCEmuX";
@@ -63,6 +63,6 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/CCEmuX/CCEmuX";
     sourceProvenance = with sourceTypes; [ binaryBytecode ];
     license = licenses.mit;
-    maintainers = with maintainers; [ CrazedProgrammer ];
+    maintainers = with maintainers; [ CrazedProgrammer viluon ];
   };
 }