diff --git a/src/CSharpFunctionalExtensions.FluentAssertions/CSharpFunctionalExtensions.FluentAssertions.csproj b/src/CSharpFunctionalExtensions.FluentAssertions/CSharpFunctionalExtensions.FluentAssertions.csproj
index 26915ba..9cb199f 100644
--- a/src/CSharpFunctionalExtensions.FluentAssertions/CSharpFunctionalExtensions.FluentAssertions.csproj
+++ b/src/CSharpFunctionalExtensions.FluentAssertions/CSharpFunctionalExtensions.FluentAssertions.csproj
@@ -14,7 +14,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="CSharpFunctionalExtensions" Version="3.0.0" />
+		<PackageReference Include="CSharpFunctionalExtensions" Version="3.4.3" />
 		<PackageReference Include="FluentAssertions" Version="6.10.0" />
 		<PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1">
 			<PrivateAssets>all</PrivateAssets>