diff --git a/pkgs/additional/fractal-latest/default.nix b/pkgs/additional/fractal-latest/default.nix
index e14e51317..0f9ea3ce7 100644
--- a/pkgs/additional/fractal-latest/default.nix
+++ b/pkgs/additional/fractal-latest/default.nix
@@ -1,18 +1,22 @@
 { fractal-next, fetchFromGitLab, rustPlatform }:
 
 (fractal-next.overrideAttrs (prev: rec {
-  version = "20221220";
+  version = "unstable-2023-07-28";
   src = fetchFromGitLab {
     domain = "gitlab.gnome.org";
     owner = "GNOME";
     repo = "fractal";
-    rev = "d394badd0bf36c43026e01dbeb1cd7f881cf3440";
-    hash = "sha256-JgLrDrMLEh7302tZ3NOJ12dCMiSxGgecaUjcuDPcGSg=";
+    rev = "dc66180a44e4e996db0e840dab0be08d826a5319";
+    hash = "sha256-SYkeHkNlxHbsd+kubGZO5PEA9mg9Id0pHDi/2MMGy90=";
   };
-  patches = [];
-  postPatch = "";
-  cargoDeps = rustPlatform.fetchCargoTarball {
-    inherit src;
-    hash = "sha256-hHsMcU6s42yKn2+LkWraLDhnmWNY72dL2cJoy6uoOKI=";
+
+  cargoDeps = rustPlatform.importCargoLock {
+    lockFile = ./Cargo.lock;
+    outputHashes = {
+      "matrix-sdk-0.6.2" = "sha256-ofaXdhkbDa7/tp/RdBQ1/JBaSims8znJ66NeRUhof20=";
+      "ruma-0.8.2" = "sha256-ZlevGTGL/DQVAYeR078I0cT/V1kaubhORgt1cZUhBqM=";
+      # "vodozemac-0.3.0" = "sha256-tAimsVD8SZmlVybb7HvRffwlNsfb7gLWGCplmwbLIVE=";
+      "x25519-dalek-1.2.0" = "sha256-AHjhccCqacu0WMTFyxIret7ghJ2V+8wEAwR5L6Hy1KY=";
+    };
   };
 }))
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 2eb9c7e70..462a0c12c 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -56,7 +56,7 @@ let
 
     # packages i haven't used for a while, may or may not still work
     # fluffychat-moby = callPackage ./additional/fluffychat-moby { };
-    # fractal-latest = callPackage ./additional/fractal-latest { };
+    fractal-latest = callPackage ./additional/fractal-latest { };
     # kaiteki = callPackage ./additional/kaiteki { };
     # tokodon = libsForQt5.callPackage ./additional/tokodon { };