diff --git a/eng/Versions.props b/eng/Versions.props
index 7619d042d48b4..df72bd21bd5e9 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -239,7 +239,7 @@
     <SystemIOPipesAccessControlVersion>5.0.0</SystemIOPipesAccessControlVersion>
     <SystemIOPipelinesVersion>6.0.1</SystemIOPipelinesVersion>
     <SystemManagementVersion>5.0.0-preview.8.20407.11</SystemManagementVersion>
-    <SystemMemoryVersion>4.5.4</SystemMemoryVersion>
+    <SystemMemoryVersion>4.5.5</SystemMemoryVersion>
     <SystemResourcesExtensionsVersion>6.0.0</SystemResourcesExtensionsVersion>
     <SystemRuntimeCompilerServicesUnsafeVersion>6.0.0</SystemRuntimeCompilerServicesUnsafeVersion>
     <SystemRuntimeInteropServicesNFloatInternalVersion>6.0.1</SystemRuntimeInteropServicesNFloatInternalVersion>
diff --git a/src/Features/Lsif/Generator/Microsoft.CodeAnalysis.LanguageServerIndexFormat.Generator.csproj b/src/Features/Lsif/Generator/Microsoft.CodeAnalysis.LanguageServerIndexFormat.Generator.csproj
index 325e42692b09c..ee18466f64c64 100644
--- a/src/Features/Lsif/Generator/Microsoft.CodeAnalysis.LanguageServerIndexFormat.Generator.csproj
+++ b/src/Features/Lsif/Generator/Microsoft.CodeAnalysis.LanguageServerIndexFormat.Generator.csproj
@@ -57,6 +57,10 @@
     <PackageReference Include="Microsoft.Build.Framework" Version="$(RefOnlyMicrosoftBuildFrameworkVersion)" ExcludeAssets="runtime" PrivateAssets="all" />
     <PackageReference Include="Microsoft.Build.Tasks.Core" Version="$(RefOnlyMicrosoftBuildTasksCoreVersion)" ExcludeAssets="runtime" PrivateAssets="all" />
     <PackageReference Include="Microsoft.Build.Utilities.Core" Version="$(RefOnlyMicrosoftBuildUtilitiesCoreVersion)" ExcludeAssets="runtime" PrivateAssets="all" />
+
+    <!-- Work around https://github.com/dotnet/msbuild/issues/7873; without this we won't have a new enough System.Memory and we'll get
+         method missing exceptions when we are running with some newer MSBuild versions. -->
+    <PackageReference Include="System.Memory" Version="$(SystemMemoryVersion)" />
   </ItemGroup>
 
   <ItemGroup>