diff --git a/pkgs/by-name/li/libdeltachat/package.nix b/pkgs/by-name/li/libdeltachat/package.nix
index 2b9d490f5492..5a0983c8a865 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 = "2.44.0";
+  version = "2.45.0";
 
   src = fetchFromGitHub {
     owner = "chatmail";
     repo = "core";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-GSmAU3xDwLvuy/A84/EBcHNLRAUz0f8s3pzjt81rkmQ=";
+    hash = "sha256-Q3nFTofALHtBgbZiuRfri6LlSlQimQZcj9JCfCv4JeQ=";
   };
 
   patches = [
@@ -36,7 +36,7 @@ stdenv.mkDerivation (finalAttrs: {
   cargoDeps = rustPlatform.fetchCargoVendor {
     pname = "chatmail-core";
     inherit (finalAttrs) version src;
-    hash = "sha256-AThOXZNy8nw6txTw0lsL85tScBzGa0r+IfThKp5ng40=";
+    hash = "sha256-8l+tZt+IlrI2NkW0o1ecC71L0yKMUzTqpPWM0lpkNbM=";
   };
 
   nativeBuildInputs = [