diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a748510..4bfd2e6a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,10 @@ features apply to your model and firmware version, see the
 
 ## unreleased
 
+- tgl-u: Fixed potential EC lock up during opportunistic suspend
+
+## 2023-09-19
+
 - rpl-hx: Added support for 5600 MHz RAM
 
 ## 2023-09-08
diff --git a/ec b/ec
index 181d4c5d..946415f3 160000
--- a/ec
+++ b/ec
@@ -1 +1 @@
-Subproject commit 181d4c5d595b9bf9b838b6a0c96468df3e913162
+Subproject commit 946415f3a731d731cb1378d60b28f8ffab8d16cb