diff --git a/src/core/lib/experiments/experiments.yaml b/src/core/lib/experiments/experiments.yaml
index 60ed3d7eb2e..76273515fdf 100644
--- a/src/core/lib/experiments/experiments.yaml
+++ b/src/core/lib/experiments/experiments.yaml
@@ -185,7 +185,7 @@
 - name: pick_first_happy_eyeballs
   description:
     Use Happy Eyeballs in pick_first.
-  expiry: 2023/12/15
+  expiry: 2024/01/15
   owner: roth@google.com
   test_tags: ["lb_unit_test", "cpp_lb_end2end_test", "xds_end2end_test"]
 - name: ping_on_rst_stream