diff --git a/package/Base64.roc b/package/Base64.roc
index aeb9e00..9f814e4 100644
--- a/package/Base64.roc
+++ b/package/Base64.roc
@@ -146,7 +146,7 @@ decode = \str ->
                 padding_count = List.count_if(chunk4, \c -> c == '=')
                 chunk4
                 |> List.map_try(\c -> Dict.get(reverse_base64_index_map, c))
-                |> Result.map(
+                |> Result.map_ok(
                     \l ->
                         when l is
                             [six1, six2, six3, six4] ->
diff --git a/package/Hex.roc b/package/Hex.roc
index 3599598..711f901 100644
--- a/package/Hex.roc
+++ b/package/Hex.roc
@@ -11,7 +11,7 @@ byte_to_hex = \byte ->
         |> List.get(Num.to_u64(hi))
         |> Result.try(
             \h ->
-                List.get(hex_chars, Num.to_u64(lo)) |> Result.map(\l -> Str.concat(h, l)),
+                List.get(hex_chars, Num.to_u64(lo)) |> Result.map_ok(\l -> Str.concat(h, l)),
         )
     when result is
         Ok(hex) -> hex
@@ -70,11 +70,11 @@ expect
 hex_to_byte : { lo : U8, hi : U8 } -> Result U8 [InvalidHexChar]
 hex_to_byte = \{ lo, hi } ->
     hex_to_nibble(hi)
-    |> Result.map(\v -> Num.shift_left_by(v, 4))
+    |> Result.map_ok(\v -> Num.shift_left_by(v, 4))
     |> Result.try(
         \hi2 ->
             hex_to_nibble(lo)
-            |> Result.map(\lo2 -> Num.bitwise_or(hi2, lo2)),
+            |> Result.map_ok(\lo2 -> Num.bitwise_or(hi2, lo2)),
     )
 
 expect