diff --git a/config.json b/config.json
index cdf9c3a..a2a88b9 100644
--- a/config.json
+++ b/config.json
@@ -58,6 +58,7 @@
     "output_scores": false,
     "pad_token_id": 1,
     "prefix": null,
+    "projection_dim": 512,
     "problem_type": null,
     "pruned_heads": {},
     "remove_invalid_values": false,
@@ -132,6 +133,7 @@
     "pad_token_id": null,
     "patch_size": 32,
     "prefix": null,
+    "projection_dim" : 512,
     "problem_type": null,
     "pruned_heads": {},
     "remove_invalid_values": false,