diff --git a/src/codex/_constants.py b/src/codex/_constants.py
index a2ac3b6..6ddf2c7 100644
--- a/src/codex/_constants.py
+++ b/src/codex/_constants.py
@@ -6,7 +6,7 @@
 OVERRIDE_CAST_TO_HEADER = "____stainless_override_cast_to"
 
 # default timeout is 1 minute
-DEFAULT_TIMEOUT = httpx.Timeout(timeout=60.0, connect=5.0)
+DEFAULT_TIMEOUT = httpx.Timeout(timeout=60, connect=5.0)
 DEFAULT_MAX_RETRIES = 2
 DEFAULT_CONNECTION_LIMITS = httpx.Limits(max_connections=100, max_keepalive_connections=20)