diff --git a/CHANGELOG.md b/CHANGELOG.md
index f205e49..6e10bb2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ Changes are identified by the date of the released firmware including them. If
 you are running System76 Open Firmware, opening the boot menu will show this
 date followed by an underscore and a short git revision.
 
+## 2021-03-16
+
+- oryp6, oryp7: Fix buzzing at lowest fan speed
+
 ## 2021-03-11
 
 - lemp9: Fix backlight ACPI issues and TPM interrupt
diff --git a/ec b/ec
index 66a970f..2401fcc 160000
--- a/ec
+++ b/ec
@@ -1 +1 @@
-Subproject commit 66a970fa513f4fe4f111bbfe24a953f7d5b45778
+Subproject commit 2401fcc50d8ab8515ea86b68b464e1a1f0cae176