diff --git a/elm.json b/elm.json
index ab406cc..c7617c2 100644
--- a/elm.json
+++ b/elm.json
@@ -42,7 +42,7 @@
             "joshuanianji/github-language-colors": "2.1.0",
             "justinmimbs/date": "4.1.0",
             "mdgriffith/elm-codegen": "4.2.2",
-            "miniBill/elm-codec": "2.1.0",
+            "miniBill/elm-codec": "2.2.0",
             "noahzgordon/elm-color-extra": "1.0.2",
             "pablohirafuji/elm-syntax-highlight": "3.5.0",
             "robinheghan/fnv1a": "1.0.0",