diff --git a/samples/Store/Domain/Domain.fsproj b/samples/Store/Domain/Domain.fsproj
index d73466f80..0cb787dc3 100644
--- a/samples/Store/Domain/Domain.fsproj
+++ b/samples/Store/Domain/Domain.fsproj
@@ -21,7 +21,7 @@
     <PackageReference Include="FSharp.Core" Version="3.1.2.5" Condition=" '$(TargetFramework)' == 'net461' " />
     <PackageReference Include="FSharp.Core" Version="4.3.4" Condition=" '$(TargetFramework)' == 'netstandard2.0' " />
 
-    <PackageReference Include="FsCodec.NewtonsoftJson" Version="1.0.0" />
+<!--    <PackageReference Include="FsCodec.NewtonsoftJson" Version="1.0.0" />-->
     <PackageReference Include="FSharp.UMX" Version="1.0.0" />
     <ProjectReference Include="..\..\..\..\FsCodec\src\FsCodec.NewtonsoftJson\FsCodec.NewtonsoftJson.fsproj" />
   </ItemGroup>
diff --git a/src/Equinox.Cosmos/Equinox.Cosmos.fsproj b/src/Equinox.Cosmos/Equinox.Cosmos.fsproj
index 9aa5ceeac..225fbacd7 100644
--- a/src/Equinox.Cosmos/Equinox.Cosmos.fsproj
+++ b/src/Equinox.Cosmos/Equinox.Cosmos.fsproj
@@ -15,6 +15,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\..\..\FsCodec\src\FsCodec.NewtonsoftJson\FsCodec.NewtonsoftJson.fsproj" />
     <ProjectReference Include="..\Equinox.Core\Equinox.Core.fsproj" />
   </ItemGroup>
 
@@ -25,7 +26,7 @@
     <PackageReference Include="FSharp.Core" Version="3.1.2.5" Condition=" '$(TargetFramework)' != 'netstandard2.0' " />
     <PackageReference Include="FSharp.Core" Version="4.3.4" Condition=" '$(TargetFramework)' == 'netstandard2.0' " />
 
-    <PackageReference Include="FsCodec.NewtonsoftJson" Version="1.0.0" />
+<!--    <PackageReference Include="FsCodec.NewtonsoftJson" Version="1.0.0" />-->
     <PackageReference Include="FSharp.Control.AsyncSeq" Version="2.0.21" />
     <PackageReference Include="Microsoft.Azure.DocumentDB" Version="2.2.0" Condition=" '$(TargetFramework)' != 'netstandard2.0' " />
     <PackageReference Include="Microsoft.Azure.DocumentDB.Core" Version="2.2.0" Condition=" '$(TargetFramework)' == 'netstandard2.0' " />
diff --git a/src/Equinox.EventStore/Equinox.EventStore.fsproj b/src/Equinox.EventStore/Equinox.EventStore.fsproj
index 9721428ba..2893e2d01 100644
--- a/src/Equinox.EventStore/Equinox.EventStore.fsproj
+++ b/src/Equinox.EventStore/Equinox.EventStore.fsproj
@@ -15,6 +15,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\..\..\FsCodec\src\FsCodec.NewtonsoftJson\FsCodec.NewtonsoftJson.fsproj" />
     <ProjectReference Include="..\Equinox.Core\Equinox.Core.fsproj" />
   </ItemGroup>
 
@@ -26,7 +27,7 @@
     <PackageReference Include="FSharp.Core" Version="4.3.4" Condition=" '$(TargetFramework)' == 'netstandard2.0' " />
 
     <PackageReference Include="EventStore.Client" Version="5.0.1" />
-    <PackageReference Include="FsCodec" Version="1.0.0" />
+<!--    <PackageReference Include="FsCodec" Version="1.0.0" />-->
     <PackageReference Include="FSharp.Control.AsyncSeq" Version="2.0.21" />
   </ItemGroup>
 
diff --git a/tests/Equinox.EventStore.Integration/Equinox.EventStore.Integration.fsproj b/tests/Equinox.EventStore.Integration/Equinox.EventStore.Integration.fsproj
index 23957c302..47239ed06 100644
--- a/tests/Equinox.EventStore.Integration/Equinox.EventStore.Integration.fsproj
+++ b/tests/Equinox.EventStore.Integration/Equinox.EventStore.Integration.fsproj
@@ -21,7 +21,7 @@
 
   <ItemGroup>
     <PackageReference Include="FsCheck.xUnit" Version="2.14.0" />
-    <PackageReference Include="FsCodec.NewtonsoftJson" Version="1.0.0" />
+<!--    <PackageReference Include="FsCodec.NewtonsoftJson" Version="1.0.0" />-->
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.3.0" />
     <PackageReference Include="Serilog.Sinks.Seq" Version="4.0.0" />
     <Reference Include="System.Runtime.Caching" Condition=" '$(TargetFramework)' != 'netstandard2.0'" />