diff --git a/config.py b/config.py
index 1e2ef07..158a6bb 100644
--- a/config.py
+++ b/config.py
@@ -60,7 +60,7 @@ OPENID_CREATE_USERS = True
 OPENID_UPDATE_DETAILS_FROM_SREG = True
 
 SITE_NAME = os.environ.get("SITE_NAME", "libravatar")
-IVATAR_VERSION = "1.5"
+IVATAR_VERSION = "1.6"
 
 SCHEMAROOT = "https://www.libravatar.org/schemas/export/0.2"