diff --git a/src/Yavsc.Server/Yavsc.Server.csproj b/src/Yavsc.Server/Yavsc.Server.csproj
index 3769be24..b33cdc34 100644
--- a/src/Yavsc.Server/Yavsc.Server.csproj
+++ b/src/Yavsc.Server/Yavsc.Server.csproj
@@ -23,7 +23,7 @@
     <PackageReference Include="SixLabors.ImageSharp" Version="3.1.6" />
     <PackageReference Include="RazorEngine.NetCore" Version="3.1.0" />
     <PackageReference Include="MailKit" Version="4.3.0" />
-    <PackageReference Include="MimeKit" Version="4.3.0" />
+    <PackageReference Include="MimeKit" Version="4.7.1" />
     <PackageReference Include="pazof.rules" Version="1.1.3" />
   </ItemGroup>
   <ItemGroup>
diff --git a/src/Yavsc/yarn.lock b/src/Yavsc/yarn.lock
index bd793337..38079d3e 100644
--- a/src/Yavsc/yarn.lock
+++ b/src/Yavsc/yarn.lock
@@ -2,13 +2,6 @@
 # yarn lockfile v1
 
 
-debug@^3.0.0:
-  version "3.2.6"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
-  integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
-  dependencies:
-    ms "^2.1.1"
-
 debug@~2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
@@ -49,11 +42,9 @@ es-to-primitive@^1.2.1:
     is-symbol "^1.0.2"
 
 follow-redirects@>=1.2.0:
-  version "1.9.0"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.9.0.tgz#8d5bcdc65b7108fe1508649c79c12d732dcedb4f"
-  integrity sha512-CRcPzsSIbXyVDl0QI01muNDu69S8trU4jArW9LpOt2WtC6LyUJetcIrmfHsRBx7/Jb6GHJUiuqyYxPooFfNt6A==
-  dependencies:
-    debug "^3.0.0"
+  version "1.15.9"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.9.tgz#a604fa10e443bf98ca94228d9eebcc2e8a2c8ee1"
+  integrity sha512-gew4GsXizNgdoRyqmyfMHyAmXsZDk6mHkSxZFCzW9gwlbtOW44CDtYavM+y+72qD/Vq2l550kMF52DT8fOLJqQ==
 
 function-bind@^1.1.1:
   version "1.1.1"
@@ -101,11 +92,6 @@ ms@0.7.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.1.tgz#9cd13c03adbff25b65effde7ce864ee952017098"
   integrity sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg=
 
-ms@^2.1.1:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
-  integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
-
 node-rest-client@^2.0.1:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/node-rest-client/-/node-rest-client-2.5.0.tgz#3c53eadba2b2c3b3a4df2ba2f646acc23d8a0701"