diff --git a/Filtration.ItemFilterPreview.Tests/Filtration.ItemFilterPreview.Tests.csproj b/Filtration.ItemFilterPreview.Tests/Filtration.ItemFilterPreview.Tests.csproj
index 297c54e..e6f2a41 100644
--- a/Filtration.ItemFilterPreview.Tests/Filtration.ItemFilterPreview.Tests.csproj
+++ b/Filtration.ItemFilterPreview.Tests/Filtration.ItemFilterPreview.Tests.csproj
@@ -46,12 +46,12 @@
       <HintPath>..\packages\Castle.Core.3.3.3\lib\net45\Castle.Core.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="FluentAssertions, Version=4.13.0.0, Culture=neutral, PublicKeyToken=33f2691a05b67b6a, processorArchitecture=MSIL">
-      <HintPath>..\packages\FluentAssertions.4.13.0\lib\net45\FluentAssertions.dll</HintPath>
+    <Reference Include="FluentAssertions, Version=4.13.1.0, Culture=neutral, PublicKeyToken=33f2691a05b67b6a, processorArchitecture=MSIL">
+      <HintPath>..\packages\FluentAssertions.4.13.1\lib\net45\FluentAssertions.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="FluentAssertions.Core, Version=4.13.0.0, Culture=neutral, PublicKeyToken=33f2691a05b67b6a, processorArchitecture=MSIL">
-      <HintPath>..\packages\FluentAssertions.4.13.0\lib\net45\FluentAssertions.Core.dll</HintPath>
+    <Reference Include="FluentAssertions.Core, Version=4.13.1.0, Culture=neutral, PublicKeyToken=33f2691a05b67b6a, processorArchitecture=MSIL">
+      <HintPath>..\packages\FluentAssertions.4.13.1\lib\net45\FluentAssertions.Core.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Moq, Version=4.5.21.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
diff --git a/Filtration.ItemFilterPreview.Tests/packages.config b/Filtration.ItemFilterPreview.Tests/packages.config
index 5330729..a76be05 100644
--- a/Filtration.ItemFilterPreview.Tests/packages.config
+++ b/Filtration.ItemFilterPreview.Tests/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Castle.Core" version="3.3.3" targetFramework="net461" />
-  <package id="FluentAssertions" version="4.13.0" targetFramework="net461" />
+  <package id="FluentAssertions" version="4.13.1" targetFramework="net461" />
   <package id="Moq" version="4.5.21" targetFramework="net461" />
   <package id="NUnit" version="3.4.1" targetFramework="net461" />
   <package id="YamlDotNet" version="3.9.0" targetFramework="net461" />
diff --git a/Filtration.Parser.Tests/Filtration.Parser.Tests.csproj b/Filtration.Parser.Tests/Filtration.Parser.Tests.csproj
index b89b120..ee5be14 100644
--- a/Filtration.Parser.Tests/Filtration.Parser.Tests.csproj
+++ b/Filtration.Parser.Tests/Filtration.Parser.Tests.csproj
@@ -40,12 +40,12 @@
       <HintPath>..\packages\Castle.Core.3.3.3\lib\net45\Castle.Core.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="FluentAssertions, Version=4.13.0.0, Culture=neutral, PublicKeyToken=33f2691a05b67b6a, processorArchitecture=MSIL">
-      <HintPath>..\packages\FluentAssertions.4.13.0\lib\net45\FluentAssertions.dll</HintPath>
+    <Reference Include="FluentAssertions, Version=4.13.1.0, Culture=neutral, PublicKeyToken=33f2691a05b67b6a, processorArchitecture=MSIL">
+      <HintPath>..\packages\FluentAssertions.4.13.1\lib\net45\FluentAssertions.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="FluentAssertions.Core, Version=4.13.0.0, Culture=neutral, PublicKeyToken=33f2691a05b67b6a, processorArchitecture=MSIL">
-      <HintPath>..\packages\FluentAssertions.4.13.0\lib\net45\FluentAssertions.Core.dll</HintPath>
+    <Reference Include="FluentAssertions.Core, Version=4.13.1.0, Culture=neutral, PublicKeyToken=33f2691a05b67b6a, processorArchitecture=MSIL">
+      <HintPath>..\packages\FluentAssertions.4.13.1\lib\net45\FluentAssertions.Core.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Moq, Version=4.5.21.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
diff --git a/Filtration.Parser.Tests/packages.config b/Filtration.Parser.Tests/packages.config
index 2722d85..ded3f06 100644
--- a/Filtration.Parser.Tests/packages.config
+++ b/Filtration.Parser.Tests/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Castle.Core" version="3.3.3" targetFramework="net461" />
-  <package id="FluentAssertions" version="4.13.0" targetFramework="net461" />
+  <package id="FluentAssertions" version="4.13.1" targetFramework="net461" />
   <package id="Moq" version="4.5.21" targetFramework="net461" />
   <package id="NUnit" version="3.4.1" targetFramework="net461" />
 </packages>
\ No newline at end of file
diff --git a/Filtration.Tests/Filtration.Tests.csproj b/Filtration.Tests/Filtration.Tests.csproj
index 1dd5a7a..0e6db22 100644
--- a/Filtration.Tests/Filtration.Tests.csproj
+++ b/Filtration.Tests/Filtration.Tests.csproj
@@ -35,12 +35,12 @@
       <HintPath>..\packages\Castle.Core.3.3.3\lib\net45\Castle.Core.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="FluentAssertions, Version=4.13.0.0, Culture=neutral, PublicKeyToken=33f2691a05b67b6a, processorArchitecture=MSIL">
-      <HintPath>..\packages\FluentAssertions.4.13.0\lib\net45\FluentAssertions.dll</HintPath>
+    <Reference Include="FluentAssertions, Version=4.13.1.0, Culture=neutral, PublicKeyToken=33f2691a05b67b6a, processorArchitecture=MSIL">
+      <HintPath>..\packages\FluentAssertions.4.13.1\lib\net45\FluentAssertions.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="FluentAssertions.Core, Version=4.13.0.0, Culture=neutral, PublicKeyToken=33f2691a05b67b6a, processorArchitecture=MSIL">
-      <HintPath>..\packages\FluentAssertions.4.13.0\lib\net45\FluentAssertions.Core.dll</HintPath>
+    <Reference Include="FluentAssertions.Core, Version=4.13.1.0, Culture=neutral, PublicKeyToken=33f2691a05b67b6a, processorArchitecture=MSIL">
+      <HintPath>..\packages\FluentAssertions.4.13.1\lib\net45\FluentAssertions.Core.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Moq, Version=4.5.21.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
diff --git a/Filtration.Tests/packages.config b/Filtration.Tests/packages.config
index 2722d85..ded3f06 100644
--- a/Filtration.Tests/packages.config
+++ b/Filtration.Tests/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Castle.Core" version="3.3.3" targetFramework="net461" />
-  <package id="FluentAssertions" version="4.13.0" targetFramework="net461" />
+  <package id="FluentAssertions" version="4.13.1" targetFramework="net461" />
   <package id="Moq" version="4.5.21" targetFramework="net461" />
   <package id="NUnit" version="3.4.1" targetFramework="net461" />
 </packages>
\ No newline at end of file