diff --git a/docs/user/gcp/tested_instance_types.md b/docs/user/gcp/tested_instance_types.md
index fecc7099234..9e54cbdd829 100644
--- a/docs/user/gcp/tested_instance_types.md
+++ b/docs/user/gcp/tested_instance_types.md
@@ -5,6 +5,7 @@
 * `C3`
 * `C3D`
 * `C4`
+* `C4D`
 * `E2`
 * `M1`
 * `N1`
diff --git a/pkg/types/gcp/machinepools.go b/pkg/types/gcp/machinepools.go
index 78f2be68c8d..c71e02d2fc8 100644
--- a/pkg/types/gcp/machinepools.go
+++ b/pkg/types/gcp/machinepools.go
@@ -45,6 +45,7 @@ var (
 		"c3d": {PDSSD, PDBalanced, HyperDiskBalanced},
 		"c4":  {HyperDiskBalanced},
 		"c4a": {HyperDiskBalanced},
+		"c4d": {HyperDiskBalanced},
 		"e2":  {PDStandard, PDSSD, PDBalanced},
 		"g2":  {PDStandard, PDSSD, PDBalanced},
 		"m1":  {PDSSD, PDBalanced, HyperDiskBalanced},