diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b8c5f684d..bc88d74690 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -38,7 +38,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Bumps `JunitXml.TestLogger` from 4.0.254 to 4.1.0
 - Bumps `FSharp.Core` from 8.0.400 to 8.0.401
 - Bumps `JetBrains.Annotations` from 2024.2.0 to 2024.3.0
-- Bumps `Microsoft.Extensions.Caching.Memory` from 6.0.0 to 8.0.1
+- Bumps `Microsoft.Extensions.Caching.Memory` from 6.0.0 to 9.0.0
 - Bumps `xunit` from 2.8.0 to 2.9.2
 - Bumps `System.Buffers` from 4.5.1 to 4.6.0
 
diff --git a/src/ApiGenerator/ApiGenerator.csproj b/src/ApiGenerator/ApiGenerator.csproj
index 3b117da04f..b2d55de208 100644
--- a/src/ApiGenerator/ApiGenerator.csproj
+++ b/src/ApiGenerator/ApiGenerator.csproj
@@ -11,7 +11,7 @@
   <ItemGroup>
     <PackageReference Include="CSharpier.Core" Version="0.29.2" />
     <PackageReference Include="Glob" Version="1.1.9" />
-    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="8.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="9.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="NSwag.Core" Version="14.1.0" />
     <PackageReference Include="YamlDotNet" Version="16.2.0" />