diff --git a/pkgs/applications/science/robotics/mavproxy/default.nix b/pkgs/applications/science/robotics/mavproxy/default.nix
index 51389d20b7d1..8d27446bd664 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 = "1.8.34";
+  version = "1.8.36";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "b922c9b6cf4719667e195a02d8364ccebbe7966a9c18666f8ac22eae9d9e7a2c";
+    sha256 = "1gc92gp45d9pcxhmc03kbnar61jxfpx50v3jhdrsflpzhxyhjz5g";
   };
 
   postPatch = ''
@@ -30,7 +30,7 @@ buildPythonApplication rec {
   meta = with lib; {
     description = "MAVLink proxy and command line ground station";
     homepage = "https://github.com/ArduPilot/MAVProxy";
-    license = licenses.gpl3;
+    license = licenses.gpl3Plus;
     maintainers = with maintainers; [ lopsided98 ];
   };
 }
diff --git a/pkgs/development/python-modules/pymavlink/default.nix b/pkgs/development/python-modules/pymavlink/default.nix
index 2f39be79821c..894e5c128e9e 100644
--- a/pkgs/development/python-modules/pymavlink/default.nix
+++ b/pkgs/development/python-modules/pymavlink/default.nix
@@ -22,7 +22,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Python MAVLink interface and utilities";
     homepage = "https://github.com/ArduPilot/pymavlink";
-    license = with licenses; [ lgpl3Only mit ];
+    license = with licenses; [ lgpl3Plus mit ];
     maintainers = with maintainers; [ lopsided98 ];
   };
 }