diff --git a/pkgs/by-name/de/deltachat-desktop/package.nix b/pkgs/by-name/de/deltachat-desktop/package.nix
index 4eb0435a55ab..b66b60db51b8 100644
--- a/pkgs/by-name/de/deltachat-desktop/package.nix
+++ b/pkgs/by-name/de/deltachat-desktop/package.nix
@@ -21,37 +21,37 @@
 
 let
   deltachat-rpc-server' = deltachat-rpc-server.overrideAttrs rec {
-    version = "2.49.0";
+    version = "2.51.0";
     src = fetchFromGitHub {
       owner = "chatmail";
       repo = "core";
       tag = "v${version}";
-      hash = "sha256-iMgWXlffbGG25iM/SMCQzer1J6clDWwP0hURloL3n2k=";
+      hash = "sha256-OXazjp3w4NxbcTUNsyeU46erbdj27n1I7dvt+Io/AZ0=";
     };
     cargoDeps = rustPlatform.fetchCargoVendor {
       pname = "chatmail-core";
       inherit version src;
-      hash = "sha256-0QhMJis1Hbl/Tn3Rwiz+UjCSieodfYhgL060DWjEOIM=";
+      hash = "sha256-gt//65v9PF2nnX/zkZGU9hm73lfzOTmw36rbkWu9VX0=";
     };
   };
   electron = electron_41;
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "deltachat-desktop";
-  version = "2.49.1";
+  version = "2.51.0";
 
   src = fetchFromGitHub {
     owner = "deltachat";
     repo = "deltachat-desktop";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-JTbhKOTtPNlromdOsdekw6hhuE4gRwm1QB+5qaKy53o=";
+    hash = "sha256-ORp8lZcHzswrSCe30cGKpZdyqZCcvqLgu2hwvadMHN0=";
   };
 
   pnpmDeps = fetchPnpmDeps {
     inherit (finalAttrs) pname version src;
     pnpm = pnpm_9;
     fetcherVersion = 3;
-    hash = "sha256-UZ6/OTUtIiOA1D5PanY4aS+VCBNj/AIbIGYe1eibGMQ=";
+    hash = "sha256-OP+FbBxSnyFdeKvhqhmdEr1htFSX+WoPj6Ti8Q+ab/Y=";
   };
 
   nativeBuildInputs = [