diff --git a/DnsServerApp.NETCore/install-raspi.sh b/DnsServerApp.NETCore/install-raspi.sh
index 3d4a519b..2f98500c 100644
--- a/DnsServerApp.NETCore/install-raspi.sh
+++ b/DnsServerApp.NETCore/install-raspi.sh
@@ -1,9 +1,9 @@
 #!/bin/sh
 
 aspnetcoreDir="/opt/dotnet"
-aspnetcoreTestDir="/opt/dotnet/shared/Microsoft.NETCore.App/2.2.5/"
-aspnetcoreTar="/opt/dotnet/aspnetcore-runtime-2.2.5-linux-arm.tar.gz"
-aspnetcoreUrl="https://download.visualstudio.microsoft.com/download/pr/cd6635b9-f6f8-4c2d-beda-2e381fe39586/740973b83c199bf863a51c83a2432151/aspnetcore-runtime-2.2.5-linux-arm.tar.gz"
+aspnetcoreTestDir="/opt/dotnet/shared/Microsoft.NETCore.App/3.1.0/"
+aspnetcoreTar="/opt/dotnet/aspnetcore-runtime-3.1.0-linux-arm.tar.gz"
+aspnetcoreUrl="https://download.visualstudio.microsoft.com/download/pr/8c839c0e-a5ae-4254-8d8b-c012528fe601/c147e26bad68f97eacc287a71e01331d/aspnetcore-runtime-3.1.0-linux-arm.tar.gz"
 
 dnsDir="/etc/dns"
 dnsTar="/etc/dns/DnsServerPortable.tar.gz"
diff --git a/DnsServerApp.NETCore/install-ubuntu.sh b/DnsServerApp.NETCore/install-ubuntu.sh
index 4f5eaa44..f084e838 100644
--- a/DnsServerApp.NETCore/install-ubuntu.sh
+++ b/DnsServerApp.NETCore/install-ubuntu.sh
@@ -13,31 +13,25 @@ echo "==============================="
 echo "Technitium DNS Server Installer"
 echo "==============================="
 echo ""
+echo "Installing .NET Core Runtime..."
 
-if [ -f "/usr/bin/dotnet" ]
+if wget -q "https://packages.microsoft.com/config/ubuntu/$(lsb_release -r -s)/packages-microsoft-prod.deb" -O "$dnsDir/packages-microsoft-prod.deb"
 then
-	echo ".NET Core Runtime was found installed."
+	dpkg -i "$dnsDir/packages-microsoft-prod.deb">> $installLog 2>&1
+
+	add-apt-repository universe >> $installLog 2>&1
+
+	until apt-get -y update >> $installLog 2>&1 && apt-get -y install libunwind8 icu-devtools apt-transport-https aspnetcore-runtime-3.1 >> $installLog 2>&1
+	do
+		echo "Trying again.."
+		sleep 2
+	done
+
+	echo ".NET Core Runtime was installed succesfully."
 else
-	echo "Installing .NET Core Runtime..."
-
-	if wget -q "https://packages.microsoft.com/config/ubuntu/$(lsb_release -r -s)/packages-microsoft-prod.deb" -O "$dnsDir/packages-microsoft-prod.deb"
-	then
-		dpkg -i "$dnsDir/packages-microsoft-prod.deb">> $installLog 2>&1
-
-		add-apt-repository universe >> $installLog 2>&1
-
-		until apt-get -y update >> $installLog 2>&1 && apt-get -y install libunwind8 icu-devtools apt-transport-https aspnetcore-runtime-2.2 >> $installLog 2>&1
-		do
-			echo "Trying again.."
-			sleep 2
-		done
-
-		echo ".NET Core Runtime was installed succesfully."
-	else
-		echo ""
-		echo "Failed to install .NET Core Runtime. Please try again."
-		exit 1
-	fi
+	echo ""
+	echo "Failed to install .NET Core Runtime. Please try again."
+	exit 1
 fi
 
 echo ""