diff --git a/nix/sources.json b/nix/sources.json
index 5efc07f18d1..2bd0bf5aaac 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -6,10 +6,10 @@
         "homepage": "",
         "owner": "dfinity",
         "repo": "candid",
-        "rev": "331217bae379cbebfa531a140f2186c99fae1425",
-        "sha256": "095w2a4lxy2gd7vfjxn7jszm4x3srw8xlxb1zzd096y6h047rxlj",
+        "rev": "7b45d8a4c29ec1b3bbbb727ac0675b1bd117585b",
+        "sha256": "01fd8naqg96jqqqd2y8pdlw5n0lgmc20dl0jq7a6833ajv9j910n",
         "type": "tarball",
-        "url": "https://github.com/dfinity/candid/archive/331217bae379cbebfa531a140f2186c99fae1425.tar.gz",
+        "url": "https://github.com/dfinity/candid/archive/7b45d8a4c29ec1b3bbbb727ac0675b1bd117585b.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "esm": {