diff --git a/scripts/flatpak/com.orcaslicer.OrcaSlicer.yml b/scripts/flatpak/com.orcaslicer.OrcaSlicer.yml
index 16c16e79f9..312ecc8f16 100644
--- a/scripts/flatpak/com.orcaslicer.OrcaSlicer.yml
+++ b/scripts/flatpak/com.orcaslicer.OrcaSlicer.yml
@@ -300,6 +300,12 @@ modules:
         sha256: 1ec1cba65f9f20fe5a41fda1586e01c70ea0c9a6d7b67c9e13edf0cfe2239277
         dest: external-packages/OpenCV
 
+      # CPython 3.12.3
+      - type: file
+        url: https://www.python.org/ftp/python/3.12.3/Python-3.12.3.tar.xz
+        sha256: 56bfef1fdfc1221ce6720e43a661e3eb41785dd914ce99698d8c7896af4bdaa1
+        dest: external-packages/python3
+
       # ---------------------------------------------------------------
       # Fallback archives for deps normally provided by the GNOME SDK.
       # These are only used if find_package() fails to locate them.