diff --git a/WHENCE b/WHENCE
index f3a19130..3f3c8ec9 100644
--- a/WHENCE
+++ b/WHENCE
@@ -572,9 +572,11 @@ Found in hex form in kernel source.
 Driver: cxgb4 - Chelsio Terminator 4/5 1G/10/40G Ethernet adapter
 
 File: cxgb4/t4fw-1.14.4.0.bin
-Link: cxgb4/t4fw.bin -> t4fw-1.14.4.0.bin
+File: cxgb4/t4fw-1.15.37.0.bin
+Link: cxgb4/t4fw.bin -> t4fw-1.15.37.0.bin
 File: cxgb4/t5fw-1.14.4.0.bin
-Link: cxgb4/t5fw.bin -> t5fw-1.14.4.0.bin
+File: cxgb4/t5fw-1.15.37.0.bin
+Link: cxgb4/t5fw.bin -> t5fw-1.15.37.0.bin
 File: cxgb4/aq1202_fw.cld
 File: cxgb4/bcm8483.bin
 
diff --git a/cxgb4/t4fw-1.15.37.0.bin b/cxgb4/t4fw-1.15.37.0.bin
new file mode 100644
index 00000000..8e7c453e
Binary files /dev/null and b/cxgb4/t4fw-1.15.37.0.bin differ
diff --git a/cxgb4/t4fw.bin b/cxgb4/t4fw.bin
index 28b0accf..8c23fcd0 120000
--- a/cxgb4/t4fw.bin
+++ b/cxgb4/t4fw.bin
@@ -1 +1 @@
-t4fw-1.14.4.0.bin
\ No newline at end of file
+t4fw-1.15.37.0.bin
\ No newline at end of file
diff --git a/cxgb4/t5fw-1.15.37.0.bin b/cxgb4/t5fw-1.15.37.0.bin
new file mode 100644
index 00000000..c3f813de
Binary files /dev/null and b/cxgb4/t5fw-1.15.37.0.bin differ
diff --git a/cxgb4/t5fw.bin b/cxgb4/t5fw.bin
index b3e51802..163fa012 120000
--- a/cxgb4/t5fw.bin
+++ b/cxgb4/t5fw.bin
@@ -1 +1 @@
-t5fw-1.14.4.0.bin
\ No newline at end of file
+t5fw-1.15.37.0.bin
\ No newline at end of file