diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0486103..4e6ac91 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.
 
+## 2021-03-08
+
+- oryp6, oryp7: Improved fan curve
+
 ## 2021-03-03
 
 - oryp7: Release of open firmware with System76 EC
diff --git a/ec b/ec
index 8825b90..66a970f 160000
--- a/ec
+++ b/ec
@@ -1 +1 @@
-Subproject commit 8825b906bd3d54fb1a87c2ade421f04500e82ac4
+Subproject commit 66a970fa513f4fe4f111bbfe24a953f7d5b45778