diff --git a/WHENCE b/WHENCE
index b62fa43a..83dd55ce 100644
--- a/WHENCE
+++ b/WHENCE
@@ -2836,23 +2836,28 @@ Licence: Redistributable. See LICENCE.cavium for details
 
 Driver: i915 -- Intel Integrated Graphics driver
 
-File: i915/skl_dmc_ver1_04.bin
-File: i915/skl_dmc_ver1_16.bin
-File: i915/skl_dmc_ver1_18.bin
+File: i915/skl_dmc_ver1_19.bin
+File: i915/skl_dmc_ver1_20.bin
+File: i915/skl_dmc_ver1_21.bin
 
 File: i915/skl_dmc_ver1.bin
-Version: DMC API/ABI ver 1 - release 18 for Skylake
+Version: DMC API/ABI ver 1 - release 21 for Skylake
 
 File: i915/bxt_dmc_ver1_04.bin
+File: i915/bxt_dmc_ver1_05.bin
 
 File: i915/bxt_dmc_ver1.bin
-Version: DMC API/ABI ver 1 - release 04 for Broxton
+Version: DMC API/ABI ver 1 - release 05 for Broxton
 
 File: i915/skl_guc_ver1_1059.bin
+File: i915/skl_guc_ver4_3.bin
 
 File: i915/skl_guc_ver1.bin
 Version: Guc API/ABI ver 1 - release 1059 for Skylake
 
+File: i915/skl_guc_ver4.bin
+Version: Guc API/ABI ver 4 - release 3 for Skylake
+
 License: Redistributable. See LICENSE.i915 for details
 
 --------------------------------------------------------------------------
diff --git a/i915/bxt_dmc_ver1.bin b/i915/bxt_dmc_ver1.bin
index 9bec7836..034d5252 120000
--- a/i915/bxt_dmc_ver1.bin
+++ b/i915/bxt_dmc_ver1.bin
@@ -1 +1 @@
-bxt_dmc_ver1_04.bin
\ No newline at end of file
+bxt_dmc_ver1_05.bin
\ No newline at end of file
diff --git a/i915/bxt_dmc_ver1_05.bin b/i915/bxt_dmc_ver1_05.bin
new file mode 100644
index 00000000..fcbf5a8a
Binary files /dev/null and b/i915/bxt_dmc_ver1_05.bin differ
diff --git a/i915/skl_dmc_ver1.bin b/i915/skl_dmc_ver1.bin
index 9cab5698..4f754d0c 120000
--- a/i915/skl_dmc_ver1.bin
+++ b/i915/skl_dmc_ver1.bin
@@ -1 +1 @@
-skl_dmc_ver1_18.bin
\ No newline at end of file
+skl_dmc_ver1_21.bin
\ No newline at end of file
diff --git a/i915/skl_dmc_ver1_04.bin b/i915/skl_dmc_ver1_04.bin
deleted file mode 100644
index 3638187f..00000000
Binary files a/i915/skl_dmc_ver1_04.bin and /dev/null differ
diff --git a/i915/skl_dmc_ver1_16.bin b/i915/skl_dmc_ver1_19.bin
similarity index 90%
rename from i915/skl_dmc_ver1_16.bin
rename to i915/skl_dmc_ver1_19.bin
index 16ad42d3..7db75a71 100644
Binary files a/i915/skl_dmc_ver1_16.bin and b/i915/skl_dmc_ver1_19.bin differ
diff --git a/i915/skl_dmc_ver1_18.bin b/i915/skl_dmc_ver1_20.bin
similarity index 58%
rename from i915/skl_dmc_ver1_18.bin
rename to i915/skl_dmc_ver1_20.bin
index 8d1a5922..8bb1c735 100644
Binary files a/i915/skl_dmc_ver1_18.bin and b/i915/skl_dmc_ver1_20.bin differ
diff --git a/i915/skl_dmc_ver1_21.bin b/i915/skl_dmc_ver1_21.bin
new file mode 100644
index 00000000..6b79a84a
Binary files /dev/null and b/i915/skl_dmc_ver1_21.bin differ
diff --git a/i915/skl_guc_ver4.bin b/i915/skl_guc_ver4.bin
new file mode 120000
index 00000000..3adbf037
--- /dev/null
+++ b/i915/skl_guc_ver4.bin
@@ -0,0 +1 @@
+skl_guc_ver4_3.bin
\ No newline at end of file
diff --git a/i915/skl_guc_ver4_3.bin b/i915/skl_guc_ver4_3.bin
new file mode 100644
index 00000000..8571de2c
Binary files /dev/null and b/i915/skl_guc_ver4_3.bin differ