diff --git a/gnu/packages/tls.scm b/gnu/packages/tls.scm
index 029bce451e..b0a0128140 100644
--- a/gnu/packages/tls.scm
+++ b/gnu/packages/tls.scm
@@ -676,13 +676,13 @@ (define-public python-acme
   (package
     (name "python-acme")
     ;; Remember to update the hash of certbot when updating python-acme.
-    (version "1.17.0")
+    (version "1.18.0")
     (source (origin
               (method url-fetch)
               (uri (pypi-uri "acme" version))
               (sha256
                (base32
-                "03ij1wp7jwvppv70qbjkgdg7w824yh6j4gfb68jj20wicx08xx1a"))))
+                "1bv2swaqmzpcx2nq1nbhrc6b825d5sxkdv0al972sjfcpcqn1q4s"))))
     (build-system python-build-system)
     (arguments
      `(#:phases
@@ -730,7 +730,7 @@ (define-public certbot
               (uri (pypi-uri "certbot" version))
               (sha256
                (base32
-                "0wyipx6q78fmvngf1i6g50s01qpjqh07qlk1b5vyxwgl3080lhgg"))))
+                "0yr8sxfg5zspal04l9lpd9xis6gp8il20bhka54xr9bb4hc6xrgk"))))
     (build-system python-build-system)
     (arguments
      `(,@(substitute-keyword-arguments (package-arguments python-acme)