diff --git a/Directory.Packages.props b/Directory.Packages.props
index fb6c1f2..f945829 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -39,7 +39,7 @@
   <!-- テスト -->
   <ItemGroup>
     <PackageVersion Include="TUnit" Version="1.40.10" />
-    <PackageVersion Include="TUnit.Assertions" Version="1.40.10" />
+    <PackageVersion Include="TUnit.Assertions" Version="1.45.8" />
   </ItemGroup>
 
 </Project>