diff --git a/BitFaster.Caching.Benchmarks/BitFaster.Caching.Benchmarks.csproj b/BitFaster.Caching.Benchmarks/BitFaster.Caching.Benchmarks.csproj
index 783fef64..1267e6b3 100644
--- a/BitFaster.Caching.Benchmarks/BitFaster.Caching.Benchmarks.csproj
+++ b/BitFaster.Caching.Benchmarks/BitFaster.Caching.Benchmarks.csproj
@@ -23,7 +23,7 @@
     <PackageReference Include="BenchmarkDotNet" Version="0.14.0" />
     <PackageReference Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.14.0" />
     <PackageReference Include="MathNet.Numerics" Version="5.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="9.0.0" />
     <PackageReference Include="System.Runtime.Caching" Version="8.0.1" />
   </ItemGroup>
 
diff --git a/BitFaster.Caching.HitRateAnalysis/BitFaster.Caching.HitRateAnalysis.csproj b/BitFaster.Caching.HitRateAnalysis/BitFaster.Caching.HitRateAnalysis.csproj
index c19d12e1..604e8810 100644
--- a/BitFaster.Caching.HitRateAnalysis/BitFaster.Caching.HitRateAnalysis.csproj
+++ b/BitFaster.Caching.HitRateAnalysis/BitFaster.Caching.HitRateAnalysis.csproj
@@ -28,7 +28,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="MathNet.Numerics" Version="5.0.0" />
-      <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="8.0.0" />
+      <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="9.0.0" />
       <PackageReference Include="Plotly.NET.CSharp" Version="0.11.1" />
       <PackageReference Include="Plotly.NET.ImageExport" Version="5.0.1" />
   </ItemGroup>
diff --git a/BitFaster.Caching.ThroughputAnalysis/BitFaster.Caching.ThroughputAnalysis.csproj b/BitFaster.Caching.ThroughputAnalysis/BitFaster.Caching.ThroughputAnalysis.csproj
index a8e91044..dc257d29 100644
--- a/BitFaster.Caching.ThroughputAnalysis/BitFaster.Caching.ThroughputAnalysis.csproj
+++ b/BitFaster.Caching.ThroughputAnalysis/BitFaster.Caching.ThroughputAnalysis.csproj
@@ -26,7 +26,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="9.0.0" />
     <PackageReference Include="Plotly.NET" Version="4.2.0" />
     <PackageReference Include="Plotly.NET.ImageExport" Version="5.0.1" />
   </ItemGroup>