diff --git a/curriculum/challenges/_meta/rosetta-code/meta.json b/curriculum/challenges/_meta/rosetta-code/meta.json
index 280a02e322..8f50751252 100644
--- a/curriculum/challenges/_meta/rosetta-code/meta.json
+++ b/curriculum/challenges/_meta/rosetta-code/meta.json
@@ -345,7 +345,7 @@
       "Largest int from concatenated ints"
     ],
     [
-      "5a23c84252665b21eecc7edd",
+      "5e4ce2b6ac708cc68c1df25e",
       "Last letter-first letter"
     ],
     [
@@ -365,19 +365,19 @@
       "Left factorials"
     ],
     [
-      "5a23c84252665b21eecc7ee1",
+      "5e4ce2bbac708cc68c1df25f",
       "Letter frequency"
     ],
     [
-      "5a23c84252665b21eecc7ee2",
+      "5e4ce2eaac708cc68c1df260",
       "Levenshtein distance"
     ],
     [
-      "5a23c84252665b21eecc7ee3",
+      "5e4ce2f5ac708cc68c1df261",
       "Linear congruential generator"
     ],
     [
-      "5a23c84252665b21eecc7eec",
+      "5e4ce2a1ac708cc68c1df25d",
       "Long multiplication"
     ],
     [