diff --git a/src/AwsSignatureVersion4.csproj b/src/AwsSignatureVersion4.csproj
index 0ffde459..fabdc42d 100644
--- a/src/AwsSignatureVersion4.csproj
+++ b/src/AwsSignatureVersion4.csproj
@@ -23,7 +23,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AWSSDK.Core" Version="3.7.204" />
+    <PackageReference Include="AWSSDK.Core" Version="3.7.300.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/AwsSignatureVersion4.Test.csproj b/test/AwsSignatureVersion4.Test.csproj
index 89da2d60..2491525e 100644
--- a/test/AwsSignatureVersion4.Test.csproj
+++ b/test/AwsSignatureVersion4.Test.csproj
@@ -10,8 +10,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="AWSSDK.S3" Version="3.7.205.9" />
-    <PackageReference Include="AWSSDK.SecurityToken" Version="3.7.202.4" />
+    <PackageReference Include="AWSSDK.S3" Version="3.7.300.1" />
+    <PackageReference Include="AWSSDK.SecurityToken" Version="3.7.300.1" />
     <PackageReference Include="coverlet.collector" Version="6.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>