diff --git a/src/transformers/models/auto/configuration_auto.py b/src/transformers/models/auto/configuration_auto.py
index 6c3787ab1b7bc7..5c925d6feaf797 100644
--- a/src/transformers/models/auto/configuration_auto.py
+++ b/src/transformers/models/auto/configuration_auto.py
@@ -191,6 +191,7 @@
         ("gptj", GPTJConfig),
         ("gpt_neo", GPTNeoConfig),
         ("hubert", HubertConfig),
+        ("ibert", IBertConfig),
         ("layoutlm", LayoutLMConfig),
         ("led", LEDConfig),
         ("longformer", LongformerConfig),