diff --git a/pkgs/by-name/li/libdeltachat/package.nix b/pkgs/by-name/li/libdeltachat/package.nix
index 46fc20e3b867..56120089890f 100644
--- a/pkgs/by-name/li/libdeltachat/package.nix
+++ b/pkgs/by-name/li/libdeltachat/package.nix
@@ -20,13 +20,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "libdeltachat";
-  version = "2.48.0";
+  version = "2.49.0";
 
   src = fetchFromGitHub {
     owner = "chatmail";
     repo = "core";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-9qrxzAoBdCzDaMWZnCPxKy9bISd19aI4U1kRcK85Mzg=";
+    hash = "sha256-iMgWXlffbGG25iM/SMCQzer1J6clDWwP0hURloL3n2k=";
   };
 
   patches = [
@@ -36,7 +36,7 @@ stdenv.mkDerivation (finalAttrs: {
   cargoDeps = rustPlatform.fetchCargoVendor {
     pname = "chatmail-core";
     inherit (finalAttrs) version src;
-    hash = "sha256-UcQoY2NvnvWmGjHn1xwi0deyPZjtnbfQJJo32K7TX38=";
+    hash = "sha256-0QhMJis1Hbl/Tn3Rwiz+UjCSieodfYhgL060DWjEOIM=";
   };
 
   nativeBuildInputs = [