diff --git a/pyproject.toml b/pyproject.toml
index 9a3b169..1944b80 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ content-type = "text/markdown"
 
 [project.optional-dependencies]
 dev = [
-    "hoverpower>=1.5.2,<2.0.0",
+    "hoverpower>=1.6.0,<2.0.0",
     "upainter>=1.0.0,<2.0.0",
     "utilotest>=1.0.5,<2.0.0",
 ]