diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1fc5676..a09282a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,10 @@
 
 These are the changes to each version that has been released on the [nuget](https://www.nuget.org/packages/Unchase.Swashbuckle.AspNetCore.Extensions/).
 
+## v2.3.1 `(2020-03-25)`
+
+- [x] Fix bug with `System.MissingMethodException`
+
 ## v2.3.0 `(2020-03-23)`
 
 - [x] Add feature: add configured options to `AddEnumsWithValuesFixFilters`
diff --git a/src/Unchase.Swashbuckle.AspNetCore.Extensions/Extensions/EnumTypeExtensions.cs b/src/Unchase.Swashbuckle.AspNetCore.Extensions/Extensions/EnumTypeExtensions.cs
index 4d13115..ab52a7c 100644
--- a/src/Unchase.Swashbuckle.AspNetCore.Extensions/Extensions/EnumTypeExtensions.cs
+++ b/src/Unchase.Swashbuckle.AspNetCore.Extensions/Extensions/EnumTypeExtensions.cs
@@ -50,12 +50,19 @@ private static string TryGetMemberComments(MemberInfo memberInfo, IEnumerable<XP
             if (xmlNavigators == null)
                 return string.Empty;
 
-            foreach (var xmlNavigator in xmlNavigators)
+            try
             {
-                var xpathNavigator1 = xmlNavigator.SelectSingleNode(
-                    $"/doc/members/member[@name='{XmlCommentsNodeNameHelper.GetNodeNameForMember(memberInfo)}']");
-                var xpathNavigator2 = xpathNavigator1?.SelectSingleNode("summary");
-                return xpathNavigator2 != null ? XmlCommentsTextHelper.Humanize(xpathNavigator2.InnerXml) : string.Empty;
+                foreach (var xmlNavigator in xmlNavigators)
+                {
+                    var xpathNavigator1 = xmlNavigator.SelectSingleNode(
+                        $"/doc/members/member[@name='{XmlCommentsNodeNameHelper.GetNodeNameForMember(memberInfo)}']");
+                    var xpathNavigator2 = xpathNavigator1?.SelectSingleNode("summary");
+                    return xpathNavigator2 != null ? XmlCommentsTextHelper.Humanize(xpathNavigator2.InnerXml) : string.Empty;
+                }
+            }
+            catch
+            {
+                return string.Empty;
             }
 
             return string.Empty;
diff --git a/src/Unchase.Swashbuckle.AspNetCore.Extensions/Unchase.Swashbuckle.AspNetCore.Extensions.csproj b/src/Unchase.Swashbuckle.AspNetCore.Extensions/Unchase.Swashbuckle.AspNetCore.Extensions.csproj
index 600ab0e..4ceac32 100644
--- a/src/Unchase.Swashbuckle.AspNetCore.Extensions/Unchase.Swashbuckle.AspNetCore.Extensions.csproj
+++ b/src/Unchase.Swashbuckle.AspNetCore.Extensions/Unchase.Swashbuckle.AspNetCore.Extensions.csproj
@@ -14,9 +14,9 @@
     <NeutralLanguage></NeutralLanguage>
     <LangVersion>7.3</LangVersion>
     <PackageIconUrl>https://github.com/unchase/Unchase.Swashbuckle.AspNetCore.Extensions/blob/master/assets/icon.png?raw=true</PackageIconUrl>
-    <Version>2.3.0</Version>
-    <AssemblyVersion>2.3.0.0</AssemblyVersion>
-    <FileVersion>2.3.0.0</FileVersion>
+    <Version>2.3.1</Version>
+    <AssemblyVersion>2.3.1.0</AssemblyVersion>
+    <FileVersion>2.3.1.0</FileVersion>
     <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
     <DocumentationFile>Unchase.Swashbuckle.AspNetCore.Extensions.xml</DocumentationFile>
   </PropertyGroup>