diff --git a/oem/ibm/configurations/bios/string_attrs.json b/oem/ibm/configurations/bios/string_attrs.json
index 25a6915..ea03874 100644
--- a/oem/ibm/configurations/bios/string_attrs.json
+++ b/oem/ibm/configurations/bios/string_attrs.json
@@ -70,7 +70,7 @@
             "attribute_name": "vmi_if0_ipv6_gateway",
             "string_type": "ASCII",
             "minimum_string_length": 2,
-            "maximum_string_length": 39,
+            "maximum_string_length": 45,
             "default_string_length": 2,
             "default_string": "::",
             "helpText": "vmi_if0_ipv6_gateway",
@@ -80,7 +80,7 @@
             "attribute_name": "vmi_if1_ipv6_gateway",
             "string_type": "ASCII",
             "minimum_string_length": 2,
-            "maximum_string_length": 39,
+            "maximum_string_length": 45,
             "default_string_length": 2,
             "default_string": "::",
             "helpText": "vmi_if1_ipv6_gateway",
@@ -90,7 +90,7 @@
             "attribute_name": "vmi_if0_ipv6_ipaddr",
             "string_type": "ASCII",
             "minimum_string_length": 2,
-            "maximum_string_length": 39,
+            "maximum_string_length": 45,
             "default_string_length": 2,
             "default_string": "::",
             "helpText": "vmi_if0_ipv6_ipaddr",
@@ -100,7 +100,7 @@
             "attribute_name": "vmi_if1_ipv6_ipaddr",
             "string_type": "ASCII",
             "minimum_string_length": 2,
-            "maximum_string_length": 39,
+            "maximum_string_length": 45,
             "default_string_length": 2,
             "default_string": "::",
             "helpText": "vmi_if1_ipv6_ipaddr",