diff --git a/gnu/packages/tls.scm b/gnu/packages/tls.scm
index 6d91989b19..e95069da95 100644
--- a/gnu/packages/tls.scm
+++ b/gnu/packages/tls.scm
@@ -553,13 +553,13 @@ netcat implementation that supports TLS.")
   (package
     (name "python-acme")
     ;; Remember to update the hash of certbot when updating python-acme.
-    (version "0.40.1")
+    (version "1.0.0")
     (source (origin
               (method url-fetch)
               (uri (pypi-uri "acme" version))
               (sha256
                (base32
-                "1z2zibs9lyxi5gxw9bny1127bjliwsp476kai1wnnnwd8238dgrk"))))
+                "1hl62dnh8zsipa5azzpy5kwgjgb5vflinhna1fsn7rcchhpz223a"))))
     (build-system python-build-system)
     (arguments
      `(#:phases