diff --git a/pillarsdk/exceptions.py b/pillarsdk/exceptions.py
index 95c4047..fa7d440 100644
--- a/pillarsdk/exceptions.py
+++ b/pillarsdk/exceptions.py
@@ -83,6 +83,11 @@ class PreconditionFailed(ClientError):
     pass
 
 
+class RequestEntityTooLarge(ClientError):
+    """413 Request Entity Too Large"""
+    pass
+
+
 class ResourceInvalid(ClientError):
     """422 Invalid
     """
@@ -116,6 +121,7 @@ _exception_map = {
     409: ResourceConflict,
     410: ResourceGone,
     412: PreconditionFailed,
+    413: RequestEntityTooLarge,
     422: ResourceInvalid,
 }