diff --git a/OpenSim.Modules.Currency/NSLCertificateTools.cs b/OpenSim.Modules.Currency/NSLCertificateTools.cs
index b0c3034..caaeca1 100644
--- a/OpenSim.Modules.Currency/NSLCertificateTools.cs
+++ b/OpenSim.Modules.Currency/NSLCertificateTools.cs
@@ -75,7 +75,10 @@ namespace NSL.Certificate.Tools
         public void SetPrivateCert(string certfile, string passwd)
         {
             try {
+
+#pragma warning disable SYSLIB0057  // Use X509CertificateLoader instead to load certificates (.NET9)
                 m_mycert = new X509Certificate2(certfile, passwd);
+#pragma warning restore SYSLIB0057
             }
             catch (Exception ex) {
                 m_mycert = null;
@@ -100,7 +103,9 @@ namespace NSL.Certificate.Tools
         public void SetPrivateCA(string certfile)
         {
             try {
+#pragma warning disable SYSLIB0057  // Use X509CertificateLoader instead to load certificates (.NET9)
                 m_cacert = new X509Certificate2(certfile);
+#pragma warning restore SYSLIB0057
             }
             catch (Exception ex) {
                 m_cacert = null;
diff --git a/OpenSim.Modules.Currency/NSLXmlRpc.cs b/OpenSim.Modules.Currency/NSLXmlRpc.cs
index 025236a..095f7ff 100644
--- a/OpenSim.Modules.Currency/NSLXmlRpc.cs
+++ b/OpenSim.Modules.Currency/NSLXmlRpc.cs
@@ -48,9 +48,9 @@ namespace NSL.Network.XmlRpc
         {
             m_log.InfoFormat("[MONEY NSL XMLRPC]: XmlRpcResponse certSend: connect to {0}", url);
 
-//#pragma warning disable SYSLIB0014  // Use HttpClient instead of WebRequest.Create.
+#pragma warning disable SYSLIB0014  // Use HttpClient instead of WebRequest.Create.
             HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
-//#pragma warning restore SYSLIB0014
+#pragma warning restore SYSLIB0014
             if (request==null) {
                 throw new XmlRpcException(XmlRpcErrorCodes.TRANSPORT_ERROR, XmlRpcErrorCodes.TRANSPORT_ERROR_MSG +": Could not create request with " + url);
             }
diff --git a/build.net.sh b/build.net.sh
index f30d813..ebbca89 100755
--- a/build.net.sh
+++ b/build.net.sh
@@ -1,23 +1,31 @@
 #!/bin/bash
+#
+# Usage ... ./build.net.sh [dotnet_version]
+#
+
+DOTNETVER=9.0
 
 CONFIGPATH=./config
 OPNSIMPATH=../bin
-DOTNETVER=9
 
-echo "==================="
-echo "DTL/NSL_CURRENCY"
-echo "==================="
+echo "===================="
+echo "  DTL/NSL_CURRENCY"
+echo "===================="
+
+if [ "$1" != "" ]; then
+    DOTNETVER=$1
+fi
 
 ./clean.sh
 ./runprebuild.net.sh $DOTNETVER
 dotnet build -c Release OpenSim.Currency.sln || exit 1
 
 echo
-cp -f bin/net${DOTNETVER}.0/OpenSim.Data.MySQL.MySQLMoneyDataWrapper.dll $OPNSIMPATH
-cp -f bin/net${DOTNETVER}.0/OpenSim.Modules.Currency.dll $OPNSIMPATH
-cp -f bin/net${DOTNETVER}.0/MoneyServer.dll $OPNSIMPATH
-cp -f bin/net${DOTNETVER}.0/MoneyServer $OPNSIMPATH
-cp -f bin/net${DOTNETVER}.0/MoneyServer.runtimeconfig.json $OPNSIMPATH
+cp -f bin/net${DOTNETVER}/OpenSim.Data.MySQL.MySQLMoneyDataWrapper.dll $OPNSIMPATH
+cp -f bin/net${DOTNETVER}/OpenSim.Modules.Currency.dll $OPNSIMPATH
+cp -f bin/net${DOTNETVER}/MoneyServer.dll $OPNSIMPATH
+cp -f bin/net${DOTNETVER}/MoneyServer $OPNSIMPATH
+cp -f bin/net${DOTNETVER}/MoneyServer.runtimeconfig.json $OPNSIMPATH
 
 #
 rm -f $OPNSIMPATH/OpenSim.Forge.Currency.dll
diff --git a/runprebuild.net.sh b/runprebuild.net.sh
index c90394a..752114e 100755
--- a/runprebuild.net.sh
+++ b/runprebuild.net.sh
@@ -1,12 +1,12 @@
 #!/bin/bash
 #
-DOTNETVER=8
+DOTNETVER=9.0
 
 if [ "$1" != "" ]; then
     DOTNETVER=$1
 fi
+VER=`echo $DOTNETVER | sed -e "s/\./_/"`
 
 echo y | dotnet ../bin/prebuild.dll /file prebuild.net.xml /clean
-
-dotnet ../bin/prebuild.dll /target vs2022 /targetframework net${DOTNETVER}_0 /excludedir = "obj | bin" /file prebuild.net.xml
+dotnet ../bin/prebuild.dll /target vs2022 /targetframework net${VER} /excludedir = "obj | bin" /file prebuild.net.xml