diff --git a/config-arm/TR181-CM.XML b/config-arm/TR181-CM.XML
index 0ed0384..d463ef3 100644
--- a/config-arm/TR181-CM.XML
+++ b/config-arm/TR181-CM.XML
@@ -273,7 +273,7 @@
 
           <name>BootFileName</name>
 
-          <type>string(64)</type>
+          <type>string(256)</type>
 
           <syntax>string</syntax>
 
@@ -373,7 +373,7 @@
 
           <name>IPv6BootFileName</name>
 
-          <type>string(64)</type>
+          <type>string(256)</type>
 
           <syntax>string</syntax>
 
diff --git a/source/TR-181/include/cosa_x_cisco_com_cablemodem_apis.h b/source/TR-181/include/cosa_x_cisco_com_cablemodem_apis.h
index f4c4072..5a2695e 100644
--- a/source/TR-181/include/cosa_x_cisco_com_cablemodem_apis.h
+++ b/source/TR-181/include/cosa_x_cisco_com_cablemodem_apis.h
@@ -93,7 +93,7 @@ typedef  struct
 _COSA_CM_DHCP_INFO
 {
     ANSC_IPV4_ADDRESS               IPAddress;
-    char                            BootFileName[64];
+    char                            BootFileName[256];
     ANSC_IPV4_ADDRESS               SubnetMask;
     ANSC_IPV4_ADDRESS               Gateway;
     ANSC_IPV4_ADDRESS               TFTPServer;
@@ -165,7 +165,7 @@ typedef  struct
 _COSA_CM_IPV6DHCP_INFO
 {
     char                            IPv6Address[40];
-    char                            IPv6BootFileName[64];
+    char                            IPv6BootFileName[256];
     char                            IPv6Prefix[40];
     char                            IPv6Router[40];
     char                            IPv6TFTPServer[40];