diff --git a/nix/sources.json b/nix/sources.json
index 8019179817a..f3718794cbc 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -6,10 +6,10 @@
         "homepage": "",
         "owner": "dfinity",
         "repo": "candid",
-        "rev": "331217bae379cbebfa531a140f2186c99fae1425",
-        "sha256": "095w2a4lxy2gd7vfjxn7jszm4x3srw8xlxb1zzd096y6h047rxlj",
+        "rev": "a1eb218c4777d7a1be263f061d499dfc428136a2",
+        "sha256": "17l1466zxqxsz0ak082rlwk728ignvnhpbms88kxz19scffrks2r",
         "type": "tarball",
-        "url": "https://github.com/dfinity/candid/archive/331217bae379cbebfa531a140f2186c99fae1425.tar.gz",
+        "url": "https://github.com/dfinity/candid/archive/a1eb218c4777d7a1be263f061d499dfc428136a2.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "esm": {