diff --git a/src/main/java/com/venafi/vcert/sdk/certificate/CertificateRequest.java b/src/main/java/com/venafi/vcert/sdk/certificate/CertificateRequest.java
index bd89041..9ce3c31 100644
--- a/src/main/java/com/venafi/vcert/sdk/certificate/CertificateRequest.java
+++ b/src/main/java/com/venafi/vcert/sdk/certificate/CertificateRequest.java
@@ -74,6 +74,7 @@ public class CertificateRequest {
   private String issuerHint;
   private Collection<CustomField> customFields;
   private DataFormat dataFormat;
+  private CertificateType certificateType;
 
   public CertificateRequest() {
     this.dnsNames = emptyList();
diff --git a/src/main/java/com/venafi/vcert/sdk/certificate/CertificateType.java b/src/main/java/com/venafi/vcert/sdk/certificate/CertificateType.java
new file mode 100644
index 0000000..68d5e54
--- /dev/null
+++ b/src/main/java/com/venafi/vcert/sdk/certificate/CertificateType.java
@@ -0,0 +1,36 @@
+package com.venafi.vcert.sdk.certificate;
+
+
+import lombok.Getter;
+
+public enum CertificateType {
+    Auto("Auto"),
+    CodeSigning("Code Signing: X.509 Code Signing Certificate"),
+    Device("Device: X.509 Device Certificate"),
+    Server("Server: X.509 Server Certificate"),
+    User("User: X.509 User Certificate");
+
+    public static CertificateType from(String value) {
+        switch (value.toLowerCase()) {
+            case "auto":
+                return Auto;
+            case "code signing: x.509 code signing certificate":
+                return CodeSigning;
+            case "device: x.509 device certificate":
+                return Device;
+            case "server: x.509 server certificate":
+                return Server;
+            case "user: x.509 user certificate":
+                return User;
+            default:
+                throw new IllegalArgumentException(String.format("unknown certificate type: %s", value));
+        }
+    }
+
+    @Getter
+    private final String value;
+
+    CertificateType(String value) {
+        this.value = value;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/venafi/vcert/sdk/connectors/tpp/AbstractTppConnector.java b/src/main/java/com/venafi/vcert/sdk/connectors/tpp/AbstractTppConnector.java
index ef7e3ca..94bccb2 100644
--- a/src/main/java/com/venafi/vcert/sdk/connectors/tpp/AbstractTppConnector.java
+++ b/src/main/java/com/venafi/vcert/sdk/connectors/tpp/AbstractTppConnector.java
@@ -350,7 +350,7 @@ public static class CertificateRequestsPayload {
         private String ellipticCurve;
         private boolean disableAutomaticRenewal;
         private String origin;
-        
+        private String certificateType;
         @SerializedName("CustomFields")
         private ArrayList<CustomFieldRequest> customFields;
     }
diff --git a/src/main/java/com/venafi/vcert/sdk/connectors/tpp/TppConnector.java b/src/main/java/com/venafi/vcert/sdk/connectors/tpp/TppConnector.java
index 2fb6cf7..10173dd 100644
--- a/src/main/java/com/venafi/vcert/sdk/connectors/tpp/TppConnector.java
+++ b/src/main/java/com/venafi/vcert/sdk/connectors/tpp/TppConnector.java
@@ -290,8 +290,11 @@ protected CertificateRequestsPayload prepareRequest(CertificateRequest request,
         break;
       }
     }
-    
-    
+
+    if (request.certificateType() != null) {
+      payload.certificateType(request.certificateType().value());
+    }
+
     //support for validity hours begins
     VCertUtils.addExpirationDateAttribute(request, payload);
    //support for validity hours ends