diff --git a/BTCPayServer.Rating/BTCPayServer.Rating.csproj b/BTCPayServer.Rating/BTCPayServer.Rating.csproj
index 79dea473d..f58d4b730 100644
--- a/BTCPayServer.Rating/BTCPayServer.Rating.csproj
+++ b/BTCPayServer.Rating/BTCPayServer.Rating.csproj
@@ -8,7 +8,7 @@
     <PackageReference Include="Microsoft.AspNet.WebApi.Client" Version="6.0.0" />
     <PackageReference Include="NBitcoin" Version="7.0.46" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="DigitalRuby.ExchangeSharp" Version="1.0.4" />
+    <PackageReference Include="DigitalRuby.ExchangeSharp" Version="1.2.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/BTCPayServer/BTCPayServer.csproj b/BTCPayServer/BTCPayServer.csproj
index 439b45153..e81b79afa 100644
--- a/BTCPayServer/BTCPayServer.csproj
+++ b/BTCPayServer/BTCPayServer.csproj
@@ -60,7 +60,7 @@
     <PackageReference Include="Fido2" Version="3.0.1" />
     <PackageReference Include="Fido2.AspNet" Version="3.0.1" />
     <PackageReference Include="LNURL" Version="0.0.36" />
-    <PackageReference Include="MailKit" Version="3.3.0" />
+    <PackageReference Include="MailKit" Version="4.8.0" />
     <PackageReference Include="BTCPayServer.NETCore.Plugins.Mvc" Version="1.4.4" />
     <PackageReference Include="QRCoder" Version="1.4.3" />
     <PackageReference Include="System.IO.Pipelines" Version="8.0.0" />
diff --git a/BTCPayServer/Data/StoreDataExtensions.cs b/BTCPayServer/Data/StoreDataExtensions.cs
index f15d3511c..8cf49db72 100644
--- a/BTCPayServer/Data/StoreDataExtensions.cs
+++ b/BTCPayServer/Data/StoreDataExtensions.cs
@@ -13,7 +13,6 @@ using BTCPayServer.Services.Rates;
 using NBitcoin;
 using NBXplorer;
 using Newtonsoft.Json.Linq;
-using static Org.BouncyCastle.Math.EC.ECCurve;
 
 namespace BTCPayServer.Data
 {
diff --git a/BTCPayServer/Payments/Bitcoin/BitcoinLikePaymentHandler.cs b/BTCPayServer/Payments/Bitcoin/BitcoinLikePaymentHandler.cs
index 2f02292cf..33dfd314f 100644
--- a/BTCPayServer/Payments/Bitcoin/BitcoinLikePaymentHandler.cs
+++ b/BTCPayServer/Payments/Bitcoin/BitcoinLikePaymentHandler.cs
@@ -23,7 +23,6 @@ using NBXplorer.DerivationStrategy;
 using NBXplorer.Models;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
-using static Org.BouncyCastle.Math.EC.ECCurve;
 using StoreData = BTCPayServer.Data.StoreData;
 
 namespace BTCPayServer.Payments.Bitcoin
diff --git a/BTCPayServer/Payments/IPaymentMethodHandler.cs b/BTCPayServer/Payments/IPaymentMethodHandler.cs
index 83a6c4309..f3fd39dc2 100644
--- a/BTCPayServer/Payments/IPaymentMethodHandler.cs
+++ b/BTCPayServer/Payments/IPaymentMethodHandler.cs
@@ -17,7 +17,6 @@ using BTCPayServer.Services;
 using BTCPayServer.Services.Apps;
 using BTCPayServer.Services.Invoices;
 using BTCPayServer.Services.Rates;
-using crypto;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc.ModelBinding;
 using NBitcoin;