diff --git a/mzLib/Transcriptomics/Transcriptomics.csproj b/mzLib/Transcriptomics/Transcriptomics.csproj
index 495f72df8..e412f65e8 100644
--- a/mzLib/Transcriptomics/Transcriptomics.csproj
+++ b/mzLib/Transcriptomics/Transcriptomics.csproj
@@ -12,4 +12,10 @@
     <ProjectReference Include="..\Omics\Omics.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="Digestion\rnases.tsv">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>