diff --git a/Source/linq2db.LINQPad.csproj b/Source/linq2db.LINQPad.csproj
index 3aee5ea..47cc2f1 100644
--- a/Source/linq2db.LINQPad.csproj
+++ b/Source/linq2db.LINQPad.csproj
@@ -54,8 +54,8 @@
     <Reference Include="JetBrains.Annotations, Version=2018.2.1.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
       <HintPath>..\packages\JetBrains.Annotations.2018.2.1\lib\net20\JetBrains.Annotations.dll</HintPath>
     </Reference>
-    <Reference Include="linq2db, Version=2.5.0.0, Culture=neutral, PublicKeyToken=e41013125f9e410a, processorArchitecture=MSIL">
-      <HintPath>..\packages\linq2db.2.5.0\lib\net45\linq2db.dll</HintPath>
+    <Reference Include="linq2db, Version=2.5.1.0, Culture=neutral, PublicKeyToken=e41013125f9e410a, processorArchitecture=MSIL">
+      <HintPath>..\packages\linq2db.2.5.1\lib\net45\linq2db.dll</HintPath>
     </Reference>
     <Reference Include="LINQPad, Version=1.0.0.0, Culture=neutral, PublicKeyToken=21353812cd2a2db5, processorArchitecture=x86">
       <SpecificVersion>False</SpecificVersion>
diff --git a/Source/packages.config b/Source/packages.config
index 9808fb8..1f85434 100644
--- a/Source/packages.config
+++ b/Source/packages.config
@@ -5,7 +5,7 @@
   <package id="FirebirdSql.Data.FirebirdClient" version="6.1.0" targetFramework="net452" />
   <package id="Google.Protobuf" version="3.6.0" targetFramework="net452" />
   <package id="JetBrains.Annotations" version="2018.2.1" targetFramework="net452" />
-  <package id="linq2db" version="2.5.0" targetFramework="net452" />
+  <package id="linq2db" version="2.5.1" targetFramework="net452" />
   <package id="Microsoft.Bcl" version="1.1.10" targetFramework="net452" />
   <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
   <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net452" />