diff --git a/build-aux/flatpak/org.qelectrotech.QElectroTech.json b/build-aux/flatpak/org.qelectrotech.QElectroTech.json
index 55b6040e1..8977769f7 100644
--- a/build-aux/flatpak/org.qelectrotech.QElectroTech.json
+++ b/build-aux/flatpak/org.qelectrotech.QElectroTech.json
@@ -32,6 +32,35 @@
           "path": "patches/0001-build-Fix-the-installation-paths.patch"
         }
       ]
-    }
+    },
+    {
+    "name": "python3.6.0",
+    "sources": [
+        {
+            "type": "archive",
+            "url": "https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tar.xz",
+            "sha256": "b0c5f904f685e32d9232f7bdcbece9819a892929063b6e385414ad2dd6a23622"
+        }
+    ],
+    "config-opts": ["--enable-shared"],
+    "post-install": [
+        "chmod +w /app/lib/libpython3.6m.so.1.0",
+        "chmod +w /app/lib/libpython3.so"
+    ]
+},
+    {
+    "name": "python3-qet-tb-generator",
+    "buildsystem": "simple",
+    "build-commands": [
+        "pip3 install --no-index --find-links=\"file://${PWD}\" --prefix=${FLATPAK_DEST} qet-tb-generator"
+    ],
+    "sources": [
+        {
+            "type": "file",
+            "url": "https://files.pythonhosted.org/packages/8c/b4/20f720d87a96a3a891f2fe4811ddb0e6ee479cd7f029a74c07a33b80032d/qet_tb_generator-1.1.5.tar.gz",
+            "sha256": "8bb6c7d87b83964a9578a90dbf671ca74f2791f1008f512d827667167f52ad52"
+        }
+    ]
+}
   ]
 }