diff --git a/src/SolidStack.Core.Flow/SolidStack.Core.Flow.nuspec b/src/SolidStack.Core.Flow/SolidStack.Core.Flow.nuspec
index aa2ab65..1404858 100644
--- a/src/SolidStack.Core.Flow/SolidStack.Core.Flow.nuspec
+++ b/src/SolidStack.Core.Flow/SolidStack.Core.Flow.nuspec
@@ -14,7 +14,7 @@
     <copyright>$copyright$</copyright>
     <tags>SolidStack Flow OptionPattern ResultPattern EitherPattern RailwayOrientedProgramming FunctionalProgramming</tags>
     <dependencies>
-      <dependency id="SolidStack.Core.Flow"/>
+      <dependency id="SolidStack.Core.Guards" version="1.0.0"/>
     </dependencies>
   </metadata>
   <files>