diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index b9b0f54a..63e3e890 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -1,9 +1,9 @@
 # Please see the documentation for all configuration options:
-# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+# https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
 
 version: 2
 updates:
 - package-ecosystem: nuget
   directory: /
   schedule:
-    interval: monthly
+    interval: weekly
diff --git a/Directory.Packages.props b/Directory.Packages.props
index 7cf54cc1..74916ca2 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -10,7 +10,7 @@
     <PackageVersion Include="xunit" Version="2.4.2" />
   </ItemGroup>
   <ItemGroup>
-    <GlobalPackageReference Include="CSharpIsNullAnalyzer" Version="0.1.329" />
+    <GlobalPackageReference Include="CSharpIsNullAnalyzer" Version="0.1.495" />
     <GlobalPackageReference Include="DotNetAnalyzers.DocumentationAnalyzers" Version="1.0.0-beta.59" />
     <GlobalPackageReference Include="Nerdbank.GitVersioning" Version="3.6.132" />
     <GlobalPackageReference Include="Nullable" Version="1.3.1" />