diff --git a/implementations/Elm/elm.json b/implementations/Elm/elm.json
index ce2a08d..2a5addc 100644
--- a/implementations/Elm/elm.json
+++ b/implementations/Elm/elm.json
@@ -8,10 +8,12 @@
         "direct": {
             "elm/browser": "1.0.2",
             "elm/core": "1.0.5",
-            "elm/html": "1.0.0"
+            "elm/html": "1.0.0",
+            "harfangk/elm-bignum": "1.0.0"
         },
         "indirect": {
             "elm/json": "1.1.3",
+            "elm/regex": "1.0.0",
             "elm/time": "1.0.0",
             "elm/url": "1.0.0",
             "elm/virtual-dom": "1.0.3"