diff --git a/IOB-WIN-NEXT/IOB-WIN-NEXT.csproj b/IOB-WIN-NEXT/IOB-WIN-NEXT.csproj
index 132c3879..242d32cd 100644
--- a/IOB-WIN-NEXT/IOB-WIN-NEXT.csproj
+++ b/IOB-WIN-NEXT/IOB-WIN-NEXT.csproj
@@ -121,8 +121,9 @@
       <HintPath>..\packages\OPCFoundation.NetStandard.Opc.Ua.Security.Certificates.1.4.367.75\lib\net462\Opc.Ua.Security.Certificates.dll</HintPath>
     </Reference>
     <Reference Include="PresentationFramework" />
-    <Reference Include="RestSharp, Version=106.15.0.0, Culture=neutral, PublicKeyToken=598062e77f915f75, processorArchitecture=MSIL">
-      <HintPath>..\packages\RestSharp.106.15.0\lib\net452\RestSharp.dll</HintPath>
+    <Reference Include="RestSharp, Version=106.15.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\RestSharp.105.2.3\lib\net46\RestSharp.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="S7.Net, Version=1.0.0.0, Culture=neutral, PublicKeyToken=d5812d469e84c693, processorArchitecture=MSIL">
       <HintPath>..\packages\S7netplus.0.1.9\lib\net45\S7.Net.dll</HintPath>
diff --git a/IOB-WIN-NEXT/packages.config b/IOB-WIN-NEXT/packages.config
index 61353832..e019028d 100644
--- a/IOB-WIN-NEXT/packages.config
+++ b/IOB-WIN-NEXT/packages.config
@@ -16,7 +16,7 @@
   <package id="OPCFoundation.NetStandard.Opc.Ua.Security.Certificates" version="1.4.367.75" targetFramework="net462" />
   <package id="Portable.BouncyCastle" version="1.9.0" targetFramework="net462" />
   <package id="PrettyBin" version="1.1.0" targetFramework="net461" />
-  <package id="RestSharp" version="106.15.0" targetFramework="net462" />
+  <package id="RestSharp" version="105.2.3" targetFramework="net462" />
   <package id="S7netplus" version="0.1.9" targetFramework="net462" />
   <package id="Selenium.Firefox.WebDriver" version="0.27.0" targetFramework="net462" />
   <package id="Selenium.WebDriver" version="4.0.1" targetFramework="net462" />