diff --git a/Solutions/Ais.Net.Specs/Ais.Net.Specs.csproj b/Solutions/Ais.Net.Specs/Ais.Net.Specs.csproj
index ac8c33f..77ae4f8 100644
--- a/Solutions/Ais.Net.Specs/Ais.Net.Specs.csproj
+++ b/Solutions/Ais.Net.Specs/Ais.Net.Specs.csproj
@@ -15,7 +15,7 @@
     <NoWarn>RCS1029;RCS1089;SA1600;CS1591;SA1633;SA1649</NoWarn>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="System.Memory" Version="4.5.4" />
+    <PackageReference Include="System.Memory" Version="4.5.5" />
     <PackageReference Include="Corvus.Testing.SpecFlow.NUnit" Version="1.6.0" />
   </ItemGroup>
   <ItemGroup>
diff --git a/Solutions/Ais.Net/Ais.Net.csproj b/Solutions/Ais.Net/Ais.Net.csproj
index 11f462d..39fc32e 100644
--- a/Solutions/Ais.Net/Ais.Net.csproj
+++ b/Solutions/Ais.Net/Ais.Net.csproj
@@ -20,7 +20,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="System.Memory" Version="4.5.4" />
+    <PackageReference Include="System.Memory" Version="4.5.5" />
   </ItemGroup>
   
   <PropertyGroup>