diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6da6c9c..541de47 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,12 +4,13 @@ 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.
 
-## 2021-09-20
+## 2021-09-23
 
 - oryp8: Release of open firmware with System76 EC
 - gaze16: Fix input current on 3050 variant
 - gaze16: Fix power limit when booting on battery
 - gaze16: Fix touchpad on newer Linux kernel and Windows
+- Fix brightness controls on TGL platforms
 - Fix PCIe subsystem IDs on TGL platforms
 - Fix spurious clearing of boot options on Windows
 - Provide battery cycle count
diff --git a/coreboot b/coreboot
index 32f3311..5807b15 160000
--- a/coreboot
+++ b/coreboot
@@ -1 +1 @@
-Subproject commit 32f3311f3e4b891fea3aad5dac8cff53c2a26db7
+Subproject commit 5807b15bc29e40ea8f315b01d2b462e27459d573