diff --git a/JsonLogic.Net/JsonLogic.Net.csproj b/JsonLogic.Net/JsonLogic.Net.csproj
index fcf5385..2de9809 100644
--- a/JsonLogic.Net/JsonLogic.Net.csproj
+++ b/JsonLogic.Net/JsonLogic.Net.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.1;netstandard2.0;netstandard1.0</TargetFrameworks>
-    <Version>1.1.10</Version>
+    <Version>1.1.11</Version>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <Copyright>Copyright 2018</Copyright>
     <PackageLicenseUrl>https://raw.githubusercontent.com/yavuztor/JsonLogic.Net/master/LICENSE</PackageLicenseUrl>
diff --git a/release-notes.md b/release-notes.md
index 5b22200..4070f62 100644
--- a/release-notes.md
+++ b/release-notes.md
@@ -1,3 +1,6 @@
+## 1.1.11
+- Fixed "in" operator failing when second argument (the haystack) is null.
+
 ## 1.1.10
 - Changed comparison operators to work with string values.