diff --git a/nix/sources.json b/nix/sources.json
index ae8605ec661..d95985d7957 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -75,10 +75,10 @@
         "homepage": null,
         "owner": "dfinity",
         "repo": "motoko-base",
-        "rev": "520ccf5de395a3a7b408e9c57b8b1e1fc65f04cf",
-        "sha256": "0gbhbsk0rcy7462l8412gf54n0w7ldxw4fsw96wx1hbm65wa06cl",
+        "rev": "712d0587b0c8d2958adf450bd2e1554f2b0ff258",
+        "sha256": "17ghrfgzwlz7hbapy4sq9wbckxqy4xmcj8jpqv68bng9s83zvvvn",
         "type": "tarball",
-        "url": "https://github.com/dfinity/motoko-base/archive/520ccf5de395a3a7b408e9c57b8b1e1fc65f04cf.tar.gz",
+        "url": "https://github.com/dfinity/motoko-base/archive/712d0587b0c8d2958adf450bd2e1554f2b0ff258.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "motoko-matchers": {