diff --git a/src/Sep.ComparisonBenchmarks/Sep.ComparisonBenchmarks.csproj b/src/Sep.ComparisonBenchmarks/Sep.ComparisonBenchmarks.csproj
index cf2842ea..37a86b77 100644
--- a/src/Sep.ComparisonBenchmarks/Sep.ComparisonBenchmarks.csproj
+++ b/src/Sep.ComparisonBenchmarks/Sep.ComparisonBenchmarks.csproj
@@ -36,7 +36,7 @@
     <PackageReference Include="csFastFloat" Version="4.1.5" />
     <PackageReference Include="CsvHelper" Version="33.0.1" />
     <PackageReference Include="Sylvan.Common" Version="0.4.3" />
-    <PackageReference Include="Sylvan.Data.Csv" Version="1.3.9" />
+    <PackageReference Include="Sylvan.Data.Csv" Version="1.4.0" />
   </ItemGroup>
   
 </Project>
diff --git a/src/Sep.XyzTest/Sep.XyzTest.csproj b/src/Sep.XyzTest/Sep.XyzTest.csproj
index fccdb33b..d584a83e 100644
--- a/src/Sep.XyzTest/Sep.XyzTest.csproj
+++ b/src/Sep.XyzTest/Sep.XyzTest.csproj
@@ -25,7 +25,7 @@
     <PackageReference Include="CsvHelper" Version="33.0.1" />
     <PackageReference Include="Sylvan.Common" Version="0.4.3" />
     <PackageReference Include="Sylvan.Data" Version="0.2.16" />
-    <PackageReference Include="Sylvan.Data.Csv" Version="1.3.9" />
+    <PackageReference Include="Sylvan.Data.Csv" Version="1.4.0" />
   </ItemGroup>
 
 </Project>