diff --git a/src/core/Akka.FSharp.Tests/Akka.FSharp.Tests.fsproj b/src/core/Akka.FSharp.Tests/Akka.FSharp.Tests.fsproj
index df7df36a6f3..17c55e55bd4 100644
--- a/src/core/Akka.FSharp.Tests/Akka.FSharp.Tests.fsproj
+++ b/src/core/Akka.FSharp.Tests/Akka.FSharp.Tests.fsproj
@@ -23,6 +23,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="FSharp.Core" Version="4.2.3" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(TestSdkVersion)" />
     <PackageReference Include="xunit" Version="$(XunitVersion)" />
     <PackageReference Include="xunit.runner.visualstudio" Version="$(XunitVersion)" />
diff --git a/src/core/Akka.FSharp/Akka.FSharp.fsproj b/src/core/Akka.FSharp/Akka.FSharp.fsproj
index b44c6cce9f7..9dd116a8105 100644
--- a/src/core/Akka.FSharp/Akka.FSharp.fsproj
+++ b/src/core/Akka.FSharp/Akka.FSharp.fsproj
@@ -21,6 +21,7 @@
   <ItemGroup>
     <PackageReference Include="FSharp.Quotations.Evaluator" Version="1.1.2" />
     <PackageReference Include="FsPickler" Version="5.2.0" />
+    <PackageReference Include="FSharp.Core" Version="4.2.3" />
   </ItemGroup>
 
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
diff --git a/src/core/Akka.Persistence.FSharp/Akka.Persistence.FSharp.fsproj b/src/core/Akka.Persistence.FSharp/Akka.Persistence.FSharp.fsproj
index 35647a0d79a..93c77474a61 100644
--- a/src/core/Akka.Persistence.FSharp/Akka.Persistence.FSharp.fsproj
+++ b/src/core/Akka.Persistence.FSharp/Akka.Persistence.FSharp.fsproj
@@ -18,6 +18,9 @@
     <ProjectReference Include="..\Akka.Persistence\Akka.Persistence.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="FSharp.Core" Version="4.2.3"/>
+  </ItemGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
     <DefineConstants>$(DefineConstants);RELEASE</DefineConstants>
   </PropertyGroup>