diff --git a/build-aux/flatpak/io.github.kolunmi.Bazaar.json b/build-aux/flatpak/io.github.kolunmi.Bazaar.json
index fba4ff9c..cceb5279 100644
--- a/build-aux/flatpak/io.github.kolunmi.Bazaar.json
+++ b/build-aux/flatpak/io.github.kolunmi.Bazaar.json
@@ -146,8 +146,8 @@
                         {
                             "type": "git",
                             "url": "https://github.com/flatpak/flatpak",
-                            "commit": "5de2b58bdafde88515d9d6b9189bd1cfd3b88c46",
-                            "tag": "1.18.0",
+                            "commit": "ec707cb43a0b332e4eea581d49bf9bb11f0dbd73",
+                            "tag": "1.19.0",
                             "x-checker-data": {
                                 "type": "git",
                                 "url-template": "$version",
@@ -177,8 +177,8 @@
                                 },
                                 {
                                     "type": "file",
-                                    "url": "https://files.pythonhosted.org/packages/69/59/b6fc2188dfc7ea4f936cd12b49d707f66a1cb7a1d2c16172963534db741b/flit_core-3.12.0.tar.gz",
-                                    "sha256": "18f63100d6f94385c6ed57a72073443e1a71a4acb4339491615d0f16d6ff01b2",
+                                    "url": "https://files.pythonhosted.org/packages/46/ef/34533186e76c526d9ec17a1ad9a10c7354cbfb20f51583cc36dfe4bdccd0/flit_core-4.0.2.tar.gz",
+                                    "sha256": "b6929defd93884b584d7c87829e0e7b5c26ed6be17b0b873979019314aa841c8",
                                     "x-checker-data": {
                                         "type": "pypi",
                                         "name": "flit_core"
@@ -268,8 +268,8 @@
                                         {
                                             "type": "git",
                                             "url": "https://github.com/ostreedev/ostree",
-                                            "tag": "v2026.2",
-                                            "commit": "4672e91445451660eaa4405630692ade1b48c914",
+                                            "tag": "v2026.4",
+                                            "commit": "4f4445a8912f70c604fa84a057a8f4e904e35a24",
                                             "x-checker-data": {
                                                 "type": "anitya",
                                                 "project-id": 10899,
@@ -334,8 +334,8 @@
                                         {
                                             "type": "git",
                                             "url": "https://github.com/flatpak/xdg-dbus-proxy",
-                                            "commit": "6a170fa77e3cbecb48f9dd2478fe5c0a119eb467",
-                                            "tag": "0.1.7",
+                                            "commit": "f0fe358bb3a864a722f348cb942f30a29aafb9b2",
+                                            "tag": "0.1.8",
                                             "x-checker-data": {
                                                 "type": "git",
                                                 "url-template": "$version"