diff --git a/CHANGELIST.md b/CHANGELIST.md
index 8ccd6280..88234707 100644
--- a/CHANGELIST.md
+++ b/CHANGELIST.md
@@ -18,6 +18,8 @@
 - Add new setting for including artifacts in serialzied JSON
 - Fix logging in to Redump for verifications
 - Gracefully handle timeouts during login
+- Update to DIC 20210701
+- Support `/mr` value parameter
 
 ### 2.0 (2021-04-23)
 - Rename DICUI to Media Preservation Frontend (MPF)
diff --git a/MPF.Library/DiscImageCreator/Parameters.cs b/MPF.Library/DiscImageCreator/Parameters.cs
index 1804f27e..9f5e462f 100644
--- a/MPF.Library/DiscImageCreator/Parameters.cs
+++ b/MPF.Library/DiscImageCreator/Parameters.cs
@@ -107,6 +107,11 @@ namespace MPF.DiscImageCreator
         /// </summary>
         public int? ForceUnitAccessValue { get; set; }
 
+        /// <summary>
+        /// Set the multi-sector read flag value (default 50)
+        /// </summary>
+        public int? MultiSectorReadValue { get; set; }
+
         /// <summary>
         /// Set the no skip security sector flag value (default 100)
         /// </summary>
@@ -1000,7 +1005,11 @@ namespace MPF.DiscImageCreator
             if (IsFlagSupported(FlagStrings.MultiSectorRead))
             {
                 if (this[FlagStrings.MultiSectorRead] == true)
+                {
                     parameters.Add(FlagStrings.MultiSectorRead);
+                    if (MultiSectorReadValue != null)
+                        parameters.Add(MultiSectorReadValue.ToString());
+                }
             }
 
             // Multi-Session
@@ -2182,7 +2191,9 @@ namespace MPF.DiscImageCreator
                         ForceUnitAccessValue = intValue;
 
                     // Multi-Sector Read
-                    ProcessFlagParameter(parts, FlagStrings.MultiSectorRead, ref i);
+                    intValue = ProcessInt32Parameter(parts, FlagStrings.MultiSectorRead, ref i, missingAllowed: true);
+                    if (intValue != null && intValue != Int32.MinValue && intValue >= 0)
+                        MultiSectorReadValue = intValue;
 
                     // Multi-Session
                     ProcessFlagParameter(parts, FlagStrings.MultiSession, ref i);