diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 37dd24c..1f8ade3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,7 +5,7 @@ on:
     branches: [ master ]
 
 env:
-  CoreVersion: 1.13.2
+  CoreVersion: 1.13.4
 
 jobs:
   build:
diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index b9915c2..d388308 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -8,7 +8,7 @@ on:
     - README.md
 
 env:
-  CoreVersion: 1.13.2
+  CoreVersion: 1.13.3
 
 jobs:
   build:
diff --git a/ContactPoint/ContactPoint.csproj b/ContactPoint/ContactPoint.csproj
index 5c9cbc5..9988221 100644
--- a/ContactPoint/ContactPoint.csproj
+++ b/ContactPoint/ContactPoint.csproj
@@ -23,7 +23,7 @@
     <Optimize>False</Optimize>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="IPPhone.pjsipDll" Version="1.13.2" />
+    <PackageReference Include="IPPhone.pjsipDll" Version="1.13.3" />
     <PackageReference Include="KryptonWinFormControls" Version="4.4.1.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
   </ItemGroup>
diff --git a/SipekSDK/SipekSdk/SipekSdk.csproj b/SipekSDK/SipekSdk/SipekSdk.csproj
index d3f4d04..9e625cf 100644
--- a/SipekSDK/SipekSdk/SipekSdk.csproj
+++ b/SipekSDK/SipekSdk/SipekSdk.csproj
@@ -7,16 +7,15 @@
     <OutDir>..\..\Binaries\</OutDir>
     <NoWarn>3005</NoWarn>
     <DebugType>portable</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
+    <DebugType>Full</DebugType>
+    <Optimize>False</Optimize>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
     <DebugType>pdbonly</DebugType>
     <GenerateSerializationAssemblies>Auto</GenerateSerializationAssemblies>
-    <Optimize>false</Optimize>
+    <Optimize>False</Optimize>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="..\..\CommonAssemblyInfo.cs" Link="CommonAssemblyInfo.cs" />