diff --git a/elm.json b/elm.json
index 612c818..ab406cc 100644
--- a/elm.json
+++ b/elm.json
@@ -41,7 +41,7 @@
             "jluckyiv/elm-utc-date-strings": "1.0.0",
             "joshuanianji/github-language-colors": "2.1.0",
             "justinmimbs/date": "4.1.0",
-            "mdgriffith/elm-codegen": "4.2.1",
+            "mdgriffith/elm-codegen": "4.2.2",
             "miniBill/elm-codec": "2.1.0",
             "noahzgordon/elm-color-extra": "1.0.2",
             "pablohirafuji/elm-syntax-highlight": "3.5.0",
diff --git a/script/elm.json b/script/elm.json
index b1ff733..36004cd 100644
--- a/script/elm.json
+++ b/script/elm.json
@@ -13,7 +13,7 @@
             "elm/core": "1.0.5",
             "elm/html": "1.0.0",
             "elm/json": "1.1.3",
-            "mdgriffith/elm-codegen": "4.2.1"
+            "mdgriffith/elm-codegen": "4.2.2"
         },
         "indirect": {
             "Chadtech/elm-bool-extra": "2.4.2",