diff --git a/zerver/tests/test_realm_export.py b/zerver/tests/test_realm_export.py
index fd1a481e7e..edc6791de7 100644
--- a/zerver/tests/test_realm_export.py
+++ b/zerver/tests/test_realm_export.py
@@ -302,10 +302,10 @@ class RealmExportTest(ZulipTestCase):
             subgroup="public_stream",
         )
 
-        # Space limit is set as 10 GiB
+        # Space limit is set as 20 GiB
         with patch(
             "zerver.models.Realm.currently_used_upload_space_bytes",
-            return_value=11 * 1024 * 1024 * 1024,
+            return_value=21 * 1024 * 1024 * 1024,
         ):
             result = self.client_post("/json/export/realm")
         self.assert_json_error(
diff --git a/zerver/views/realm_export.py b/zerver/views/realm_export.py
index 2b56e552bd..aea4909a47 100644
--- a/zerver/views/realm_export.py
+++ b/zerver/views/realm_export.py
@@ -46,7 +46,7 @@ def export_realm(
     #
     # It's very possible that higher limits would be completely safe.
     MAX_MESSAGE_HISTORY = 250000
-    MAX_UPLOAD_QUOTA = 10 * 1024 * 1024 * 1024
+    MAX_UPLOAD_QUOTA = 20 * 1024 * 1024 * 1024
 
     # Filter based upon the number of events that have occurred in the delta
     # If we are at the limit, the incoming request is rejected