diff --git a/docs/contracts/interfaces.rst b/docs/contracts/interfaces.rst
index 43c8637ee..91e7d5947 100644
--- a/docs/contracts/interfaces.rst
+++ b/docs/contracts/interfaces.rst
@@ -34,3 +34,8 @@ Contracts can inherit interfaces as they would inherit other contracts.
 
 Types defined inside interfaces and other contract-like structures
 can be accessed from other contracts: ``Token.TokenType`` or ``Token.Coin``.
+
+.. warning:
+
+    Interfaces have supported ``enum`` types since :doc:`Solidity version 0.5.0 <050-breaking-changes>`, make
+    sure the pragma version specifies this version as a minimum.
\ No newline at end of file