diff --git a/src/core/lib/experiments/experiments.yaml b/src/core/lib/experiments/experiments.yaml
index 1c848e159eb97..28605ea687404 100644
--- a/src/core/lib/experiments/experiments.yaml
+++ b/src/core/lib/experiments/experiments.yaml
@@ -202,7 +202,7 @@
 - name: time_caching_in_party
   description: Disable time caching in exec_ctx, and enable it only in a single party execution.
   owner: ctiller@google.com
-  expiry: 2024/12/12
+  expiry: 2025/01/17
   test_tags: []
 - name: trace_record_callops
   description: Enables tracing of call batch initiation and completion.