diff --git a/pkgs/applications/science/robotics/mavproxy/default.nix b/pkgs/applications/science/robotics/mavproxy/default.nix
index 3b81b9ed0884..43b04ba1eedd 100644
--- a/pkgs/applications/science/robotics/mavproxy/default.nix
+++ b/pkgs/applications/science/robotics/mavproxy/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonApplication rec {
   pname = "MAVProxy";
-  version = "1.8.59";
+  version = "1.8.62";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-XY0d9q4nSuPflN4ZX+nT4RKFy6i4Cd2lNWvWaJQzWW8=";
+    sha256 = "sha256-XypOQNETmxg9DYcuCGkXH9/LwCq+pR23KbNfP0mfs3I=";
   };
 
   postPatch = ''
diff --git a/pkgs/development/python-modules/pymavlink/default.nix b/pkgs/development/python-modules/pymavlink/default.nix
index c8ccad6a52b5..c25d11eb1180 100644
--- a/pkgs/development/python-modules/pymavlink/default.nix
+++ b/pkgs/development/python-modules/pymavlink/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "pymavlink";
-  version = "2.4.37";
+  version = "2.4.39";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-dU561/kOBW++mrfzX/kqNVPgi7m/QniBrCJxBD/fZ1Y=";
+    hash = "sha256-rS1EZGGAcWEi7MK565oii+KUaqACruLrWXNcB/aXPek=";
   };
 
   propagatedBuildInputs = [ future lxml ];