diff --git a/flatpak-sources.json b/flatpak-sources.json
index ca2ca235..cca16297 100644
--- a/flatpak-sources.json
+++ b/flatpak-sources.json
@@ -64,17 +64,17 @@
   },
   {
     "type": "file",
-    "url": "https://repo.maven.apache.org/maven2/com/toxicstoxm/YAJSI/YAJSI/1.6.4/YAJSI-1.6.4.jar",
+    "url": "https://repo.maven.apache.org/maven2/com/toxicstoxm/YAJSI/YAJSI/1.6.3/YAJSI-1.6.3.jar",
     "sha512": "44032cffbf96c00ec405320106c8c5a78c63091de5940caa1e513e36d041c4809ab5f508ac4e7c47cf9f84a02d5862d319265ad5625ce0424ae84dd4098e6d8a",
-    "dest": "./offline-repository/com/toxicstoxm/YAJSI/YAJSI/1.6.4",
-    "dest-filename": "YAJSI-1.6.4.jar"
+    "dest": "./offline-repository/com/toxicstoxm/YAJSI/YAJSI/1.6.3",
+    "dest-filename": "YAJSI-1.6.3.jar"
   },
   {
     "type": "file",
-    "url": "https://repo.maven.apache.org/maven2/com/toxicstoxm/YAJSI/YAJSI/1.6.4/YAJSI-1.6.4.module",
+    "url": "https://repo.maven.apache.org/maven2/com/toxicstoxm/YAJSI/YAJSI/1.6.3/YAJSI-1.6.3.module",
     "sha512": "237cd5f9743d1f4193c5dab1e6018c598c1cc838f1859e5a75a059c796815ee06a118571602b6bb084dc86be117e16de2d91b559646bb1a05ec5253002ce6c9c",
-    "dest": "./offline-repository/com/toxicstoxm/YAJSI/YAJSI/1.6.4",
-    "dest-filename": "YAJSI-1.6.4.module"
+    "dest": "./offline-repository/com/toxicstoxm/YAJSI/YAJSI/1.6.3",
+    "dest-filename": "YAJSI-1.6.3.module"
   },
   {
     "type": "file",