1 files changed, 1 insertions, 0 deletions
diff --git a/README b/README
index 4312da4..b7fcae4 100644
--- a/README
+++ b/README
@@ -4,6 +4,7 @@ implementing Certificate Transparency (RFC 6962).
 The first implementation is in Erlang. The only interface supported
 initially is Erlang messages.
 
+Requires Erlang/OTP 17 [erts-6.0] or later.
 
 Compile the application