diff --git a/images/linux/ubuntu1604.json b/images/linux/ubuntu1604.json
index 03834485..092100f5 100644
--- a/images/linux/ubuntu1604.json
+++ b/images/linux/ubuntu1604.json
@@ -16,7 +16,7 @@
         "imagedata_file": "/imagegeneration/imagedata.json",
         "installer_script_folder": "/imagegeneration/installers",
         "helper_script_folder": "/imagegeneration/helpers",
-        "vm_size": "Standard_DS2_v2",
+        "vm_size": "Standard_D4s_v4",
         "capture_name_prefix": "packer",
         "image_version": "dev",
         "image_os": "ubuntu16",
diff --git a/images/linux/ubuntu1804.json b/images/linux/ubuntu1804.json
index 4d6ffe3c..97f3cc30 100644
--- a/images/linux/ubuntu1804.json
+++ b/images/linux/ubuntu1804.json
@@ -16,7 +16,7 @@
         "imagedata_file": "/imagegeneration/imagedata.json",
         "installer_script_folder": "/imagegeneration/installers",
         "helper_script_folder": "/imagegeneration/helpers",
-        "vm_size": "Standard_DS2_v2",
+        "vm_size": "Standard_D4s_v4",
         "capture_name_prefix": "packer",
         "image_version": "dev",
         "image_os": "ubuntu18",
diff --git a/images/linux/ubuntu2004.json b/images/linux/ubuntu2004.json
index 3f31be1a..a15d3d51 100644
--- a/images/linux/ubuntu2004.json
+++ b/images/linux/ubuntu2004.json
@@ -16,7 +16,7 @@
         "imagedata_file": "/imagegeneration/imagedata.json",
         "installer_script_folder": "/imagegeneration/installers",
         "helper_script_folder": "/imagegeneration/helpers",
-        "vm_size": "Standard_DS2_v2",
+        "vm_size": "Standard_D4s_v4",
         "capture_name_prefix": "packer",
         "image_version": "dev",
         "image_os": "ubuntu20",