diff --git a/gnu/packages/tls.scm b/gnu/packages/tls.scm
index 00e99439b0..2b317a84f1 100644
--- a/gnu/packages/tls.scm
+++ b/gnu/packages/tls.scm
@@ -501,13 +501,13 @@ netcat implementation that supports TLS.")
   (package
     (name "python-acme")
     ;; Remember to update the hash of certbot when updating python-acme.
-    (version "0.15.0")
+    (version "0.16.0")
     (source (origin
               (method url-fetch)
               (uri (pypi-uri "acme" version))
       (sha256
        (base32
-        "11zwgj663vr575pbqw74ia10wxaw16i8rnkcivsrbsx148rxdbcz"))))
+        "1kg9bnwywsr18hgvqyhxqqi90l2qa7449f41q3fdq2y59h9nk2sk"))))
     (build-system python-build-system)
     (arguments
      `(#:phases
@@ -558,7 +558,7 @@ netcat implementation that supports TLS.")
               (uri (pypi-uri name version))
               (sha256
                (base32
-                "1srvmjxz75dbafx7xfg1w3n9h3srr9p2ljnfsih9dwwd5cxh9i5q"))))
+                "11p1vsps5rbpha3k5jnmf9i6rcp6299h9b34wdh21cq6dgyh2n3r"))))
     (build-system python-build-system)
     (arguments
      `(,@(substitute-keyword-arguments (package-arguments python-acme)