diff --git a/config/settings/base.py b/config/settings/base.py
index 16553fa648df933616c80a6e29c7e214f658eddc..73eae089f43a7f6f06e0fb0c9e5bd929ea672984 100644
--- a/config/settings/base.py
+++ b/config/settings/base.py
@@ -35,7 +35,7 @@ MANAGERS = ADMINS
 
 # Client versions allowed - pip-like specifier strings,
 # can be multiple (comma-separated)
-ALLOWED_CLIENT_VERSIONS = '<=1.28'
+ALLOWED_CLIENT_VERSIONS = '>=1.29.dev0'
 # Allow requests to API without user-agent header specified
 # Temporary fix while we transition
 ALLOW_BLANK_USER_AGENT_TO_API = True