diff --git a/tests/data/scripts_pythonbundles/pipenv.in b/tests/data/scripts_pythonbundles/pipenv.in
index de5797a..7735210 100644
--- a/tests/data/scripts_pythonbundles/pipenv.in
+++ b/tests/data/scripts_pythonbundles/pipenv.in
@@ -31,7 +31,7 @@ requirementslib==1.5.11
     distlib==0.3.0
     packaging==20.3
     pyparsing==2.4.7
-    plette==0.2.3
+    plette[validation]==0.2.3
         tomlkit==0.5.11
 shellingham==1.3.2
 six==1.14.0