diff --git a/pkgs/development/python-modules/pymavlink/default.nix b/pkgs/development/python-modules/pymavlink/default.nix
index fda09c5f6a49..6ac68fcf73f5 100644
--- a/pkgs/development/python-modules/pymavlink/default.nix
+++ b/pkgs/development/python-modules/pymavlink/default.nix
@@ -8,12 +8,12 @@
 
 buildPythonPackage rec {
   pname = "pymavlink";
-  version = "2.4.43";
+  version = "2.4.49";
   format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-IcShujVcBXQtKvQVEFdtbgjboNd2AunqY1MxzQdV7nY=";
+    hash = "sha256-188Q1VktA4oYqpcnERd+u4i+IUPvzCWN9jCwUT6dosI=";
   };
 
   propagatedBuildInputs = [