diff --git a/styleguide-app/elm.json b/styleguide-app/elm.json
index 3fc985db..1f1c9ed3 100644
--- a/styleguide-app/elm.json
+++ b/styleguide-app/elm.json
@@ -23,7 +23,7 @@
             "elm-community/random-extra": "3.2.0",
             "elm-community/string-extra": "4.0.1",
             "pablohirafuji/elm-markdown": "2.0.5",
-            "rtfeldman/elm-css": "17.0.1",
+            "rtfeldman/elm-css": "17.0.5",
             "rtfeldman/elm-sorter-experiment": "2.1.1",
             "tesk9/accessible-html-with-css": "2.3.1",
             "tesk9/palette": "3.0.1",