diff --git a/pkgs/kde/frameworks/extra-cmake-modules/default.nix b/pkgs/kde/frameworks/extra-cmake-modules/default.nix
index 0a06cf4a8772..b7dc85d277a3 100644
--- a/pkgs/kde/frameworks/extra-cmake-modules/default.nix
+++ b/pkgs/kde/frameworks/extra-cmake-modules/default.nix
@@ -1,8 +1,16 @@
-{mkKdeDerivation}:
+{ mkKdeDerivation
+, python3
+}:
 mkKdeDerivation {
   pname = "extra-cmake-modules";
 
-  outputs = ["out"];
+  outputs = [ "out" ];
+
+  # Packages that have an Android APK (e.g. KWeather) require Python3 at build time.
+  # See: https://invent.kde.org/frameworks/extra-cmake-modules/-/blob/v6.1.0/modules/ECMAddAndroidApk.cmake?ref_type=tags#L57
+  propagatedNativeBuildInputs = [
+    python3
+  ];
 
   setupHook = ./ecm-hook.sh;
 }