diff --git a/Directory.Packages.props b/Directory.Packages.props
index 537ac47a..1e9d5abb 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -3,7 +3,7 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
   <PropertyGroup Label="SharedVersions">
-    <AkkaVersion>1.5.40</AkkaVersion>
+    <AkkaVersion>1.5.55</AkkaVersion>
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="Microsoft.AspNetCore.SignalR" Version="1.2.0" />