diff --git a/contrib/rootfs/offline_repo.json b/contrib/rootfs/offline_repo.json
index 71d9b697c76916cc221eac774a0333539d186f14..83edc4f8888029c835fb8fb6d1e2519cc4c05cc4 100644
--- a/contrib/rootfs/offline_repo.json
+++ b/contrib/rootfs/offline_repo.json
@@ -175,6 +175,11 @@
             "pkgdescription": "Bibliothek für scientific computing",
             "tagged": true
         },
+        {
+            "pkgname": "python3-sympy",
+            "pkgdescription": "Bibliothek für scientific computing",
+            "tagged": true
+        },
         {
             "pkgname": "python3-matplotlib",
             "pkgdescription": "Schnittstelle zum Plotten mit Python",