diff --git a/pkgs/applications/science/robotics/mavproxy/default.nix b/pkgs/applications/science/robotics/mavproxy/default.nix
index 12d8ef7c0bb2..c1e5b128fc71 100644
--- a/pkgs/applications/science/robotics/mavproxy/default.nix
+++ b/pkgs/applications/science/robotics/mavproxy/default.nix
@@ -3,11 +3,11 @@
 
 buildPythonApplication rec {
   pname = "MAVProxy";
-  version = "1.8.45";
+  version = "1.8.46";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "f1010cefb5b97a5d392d32aa1425bdb7df995161125f8686f2c7383c2a86e9e5";
+    sha256 = "c740c11551af4bcb1378772bde77ca6c846c6fd261b79d932c0ecbb164afe3bd";
   };
 
   postPatch = ''
diff --git a/pkgs/development/python-modules/pymavlink/default.nix b/pkgs/development/python-modules/pymavlink/default.nix
index 50dc87a926f2..8e7439a80d48 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 = "2.4.17";
+  version = "2.4.19";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "84e2af4d8099afd37c5d887261a168e7bde4ec2354f12f65c72dad1a4cd8f21d";
+    sha256 = "08ppwlsnrvzkpi4fn14d4d4grzx2bmsd0m9369q3f9hw48fgf645";
   };
 
   propagatedBuildInputs = [ future lxml ];