diff --git a/pkgs/applications/science/robotics/apmplanner2/default.nix b/pkgs/applications/science/robotics/apmplanner2/default.nix
index 761766ffdf0..69f355c7b84 100644
--- a/pkgs/applications/science/robotics/apmplanner2/default.nix
+++ b/pkgs/applications/science/robotics/apmplanner2/default.nix
@@ -5,13 +5,13 @@
 
 stdenv.mkDerivation rec {
   name = "apmplanner2-${version}";
-  # TODO revert Qt59 to Qt5 in pkgs/top-level/all-packages.nix on next release
-  version = "2.0.26";
+  # TODO revert Qt511 to Qt5 in pkgs/top-level/all-packages.nix on next release
+  version = "2.0.27-rc1";
   src = fetchFromGitHub {
     owner = "ArduPilot";
     repo = "apm_planner";
     rev = "${version}";
-    sha256 = "0bnyi1r8k8ij5sq2zqv7mfbrxm0xdw97qrx3sk4rinqv2g6h6di4";
+    sha256 = "1k0786mjzi49nb6yw4chh9l4dmkf9gybpxg9zqkr5yg019nyzcvd";
   };
 
   qtInputs = [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 9a2d5784d0a..8d40f256d15 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -22833,7 +22833,7 @@ in
 
   ### SCIENCE/ROBOTICS
 
-  apmplanner2 = libsForQt59.callPackage ../applications/science/robotics/apmplanner2 { };
+  apmplanner2 = libsForQt511.callPackage ../applications/science/robotics/apmplanner2 { };
 
   ### MISC