diff --git a/DEPENDENCIES b/DEPENDENCIES
index 37f87d58d9..93dd69662f 100644
--- a/DEPENDENCIES
+++ b/DEPENDENCIES
@@ -1,7 +1,7 @@
 nuget/nuget/-/AutoFixture.AutoFakeItEasy/4.18.1, MIT, approved, #10064
 nuget/nuget/-/AutoFixture.Xunit/4.18.1, MIT, approved, #10082
 nuget/nuget/-/AutoFixture/4.18.1, MIT, approved, #10057
-nuget/nuget/-/BouncyCastle.Cryptography/2.4.0, MIT AND Apache-2.0 AND BSD-3-Clause AND LicenseRef-scancode-ietf-trust, approved, #15706
+nuget/nuget/-/BouncyCastle.Cryptography/2.5.0, MIT AND Apache-2.0 AND BSD-3-Clause AND LicenseRef-scancode-ietf-trust, approved, #17942
 nuget/nuget/-/Castle.Core/5.1.1, Apache-2.0, approved, #13966
 nuget/nuget/-/EFCore.NamingConventions/8.0.3, Apache-2.0, approved, #13983
 nuget/nuget/-/FakeItEasy/8.3.0, MIT, approved, #16328
@@ -16,8 +16,8 @@ nuget/nuget/-/JsonPointer.Net/5.0.0, MIT AND OFL-1.1 AND CC-BY-SA-4.0, approved,
 nuget/nuget/-/JsonSchema.Net/7.3.0, MIT AND OFL-1.1, approved, #17607
 nuget/nuget/-/Laraue.EfCoreTriggers.Common/8.1.2, MIT, approved, #16234
 nuget/nuget/-/Laraue.EfCoreTriggers.PostgreSql/8.1.2, MIT, approved, #16240
-nuget/nuget/-/MailKit/4.8.0, MIT AND LicenseRef-scancode-ietf AND LicenseRef-scancode-ietf-trust AND (BSD-3-Clause AND LicenseRef-scancode-ietf-trust), approved, #16444
-nuget/nuget/-/MimeKit/4.8.0, MIT AND FSFULLRWD AND LicenseRef-scancode-ietf AND LicenseRef-scancode-ietf-trust AND (BSD-3-Clause AND LicenseRef-scancode-ietf-trust) AND BSD-3-Clause AND MS-PL AND CC-BY-SA-4.0 AND LicenseRef-MIT-style AND CC-PDDC AND GPL-2.0-only, approved, #16443
+nuget/nuget/-/MailKit/4.9.0, MIT AND LicenseRef-scancode-ietf AND LicenseRef-scancode-ietf-trust AND (BSD-3-Clause AND LicenseRef-scancode-ietf-trust), approved, #17941
+nuget/nuget/-/MimeKit/4.9.0, MIT AND FSFULLRWD AND LicenseRef-scancode-ietf AND LicenseRef-scancode-ietf-trust AND (BSD-3-Clause AND LicenseRef-scancode-ietf-trust) AND BSD-3-Clause AND MS-PL AND CC-BY-SA-4.0 AND LicenseRef-MIT-style AND CC-PDDC AND GPL-2.0-only, approved, #17940
 nuget/nuget/-/Mono.TextTemplating/2.2.1, MIT, approved, #15073
 nuget/nuget/-/NHamcrest/3.4.0, MIT, approved, #13964
 nuget/nuget/-/NJsonSchema.Annotations/11.1.0, MIT, approved, #17773
diff --git a/src/mailing/Mailing.SendMail/Mailing.SendMail.csproj b/src/mailing/Mailing.SendMail/Mailing.SendMail.csproj
index 5010b608d2..e457c20ff9 100644
--- a/src/mailing/Mailing.SendMail/Mailing.SendMail.csproj
+++ b/src/mailing/Mailing.SendMail/Mailing.SendMail.csproj
@@ -28,8 +28,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MailKit" Version="4.8.0" />
-    <PackageReference Include="MimeKit" Version="4.8.0" />
+    <PackageReference Include="MailKit" Version="4.9.0" />
+    <PackageReference Include="MimeKit" Version="4.9.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/endtoend/EndToEnd.Tests.csproj b/tests/endtoend/EndToEnd.Tests.csproj
index d7b1d997b6..cee43ca8b8 100644
--- a/tests/endtoend/EndToEnd.Tests.csproj
+++ b/tests/endtoend/EndToEnd.Tests.csproj
@@ -32,7 +32,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MimeKit" Version="4.8.0" />
+    <PackageReference Include="MimeKit" Version="4.9.0" />
     <PackageReference Include="ReportPortal.XUnit" Version="2.6.0" />
     <PackageReference Include="RestAssured.Net" Version="4.6.0" />
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.3.0" />