diff --git a/config.json b/config.json
index d9ff4d1..c6824ac 100644
--- a/config.json
+++ b/config.json
@@ -3,6 +3,7 @@
   "attn_pdrop": 0.1,
   "embd_pdrop": 0.1,
   "initializer_range": 0.02,
+  "layer_norm_epsilon": 1e-05,
   "n_ctx": 512,
   "n_embd": 768,
   "n_head": 12,