diff --git a/LICENCE.chelsio_firmware b/LICENCE.chelsio_firmware
index 0c5e1b4f..5ae46071 100644
--- a/LICENCE.chelsio_firmware
+++ b/LICENCE.chelsio_firmware
@@ -1,7 +1,7 @@
 Copyright (c) 2011 Chelsio Communications
 All rights reserved.
 
-Chelsio Communication Terminator 4 ethernet controller firmware
+Chelsio Communication Terminator 4/5 ethernet controller firmware
 
 Redistribution and use in binary form, without modification, are permitted provided
 that the following conditions are met:
diff --git a/WHENCE b/WHENCE
index a7a65a3f..3995331f 100644
--- a/WHENCE
+++ b/WHENCE
@@ -567,10 +567,10 @@ Found in hex form in kernel source.
 
 Driver: cxgb4 - Chelsio Terminator 4/5 1G/10/40G Ethernet adapter
 
-File: cxgb4/t4fw-1.9.23.0.bin
-Link: cxgb4/t4fw.bin -> t4fw-1.9.23.0.bin
-File: cxgb4/t5fw-1.9.23.0.bin
-Link: cxgb4/t5fw.bin -> t5fw-1.9.23.0.bin
+File: cxgb4/t4fw-1.11.27.0.bin
+Link: cxgb4/t4fw.bin -> t4fw-1.11.27.0.bin
+File: cxgb4/t5fw-1.11.27.0.bin
+Link: cxgb4/t5fw.bin -> t5fw-1.11.27.0.bin
 
 Licence: Redistributable. See LICENCE.chelsio_firmware for details
 
diff --git a/cxgb4/t4fw-1.11.27.0.bin b/cxgb4/t4fw-1.11.27.0.bin
new file mode 100644
index 00000000..668be7a0
Binary files /dev/null and b/cxgb4/t4fw-1.11.27.0.bin differ
diff --git a/cxgb4/t4fw-1.9.23.0.bin b/cxgb4/t4fw-1.9.23.0.bin
deleted file mode 100644
index 424867d5..00000000
Binary files a/cxgb4/t4fw-1.9.23.0.bin and /dev/null differ
diff --git a/cxgb4/t4fw.bin b/cxgb4/t4fw.bin
index 0d51c414..a655c26b 120000
--- a/cxgb4/t4fw.bin
+++ b/cxgb4/t4fw.bin
@@ -1 +1 @@
-t4fw-1.9.23.0.bin
\ No newline at end of file
+t4fw-1.11.27.0.bin
\ No newline at end of file
diff --git a/cxgb4/t5fw-1.11.27.0.bin b/cxgb4/t5fw-1.11.27.0.bin
new file mode 100644
index 00000000..c2344eff
Binary files /dev/null and b/cxgb4/t5fw-1.11.27.0.bin differ
diff --git a/cxgb4/t5fw-1.9.23.0.bin b/cxgb4/t5fw-1.9.23.0.bin
deleted file mode 100644
index 4bb22544..00000000
Binary files a/cxgb4/t5fw-1.9.23.0.bin and /dev/null differ
diff --git a/cxgb4/t5fw.bin b/cxgb4/t5fw.bin
index e9f5afe4..72a6e5c8 120000
--- a/cxgb4/t5fw.bin
+++ b/cxgb4/t5fw.bin
@@ -1 +1 @@
-t5fw-1.9.23.0.bin
\ No newline at end of file
+t5fw-1.11.27.0.bin
\ No newline at end of file