diff --git a/gnu/packages/ci.scm b/gnu/packages/ci.scm
index eac26a6dac..35bf285fab 100644
--- a/gnu/packages/ci.scm
+++ b/gnu/packages/ci.scm
@@ -47,9 +47,27 @@
   #:use-module (gnu packages xml)
   #:use-module (guix build-system gnu))
 
+(define-public guile-mastodon-dev
+  (let ((commit "88115d85221876b1baea4accb7c76995da32f479")
+        (revision "1"))
+    (package
+      (inherit guile-mastodon)
+      (name "guile-mastodon")
+      (version (git-version "0.0.1" revision commit))
+      (home-page "https://framagit.org/mothacehe/guile-mastodon.git")
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url home-page)
+                      (commit commit)))
+                (sha256
+                 (base32
+                  "04dgxliz9bmhn0f7h1n0dj0r5h0fzhg80nxl1rpbxh4zs1yw9qvj"))
+                (file-name (string-append name "-" version "-checkout")))))))
+
 (define-public cuirass
-  (let ((commit "3e6561740958ea06bf50f8086a4066b555beacc5")
-        (revision "71"))
+  (let ((commit "543e26addc6e2304611e2feb8dd3a5a0646507b6")
+        (revision "72"))
     (package
       (name "cuirass")
       (version (git-version "0.0.1" revision commit))
@@ -61,7 +79,7 @@
                 (file-name (git-file-name name version))
                 (sha256
                  (base32
-                  "1mrfjcfw9v7gpk4sp65jxfvikmdkxgkhwdjn29vjph04z82jh36z"))))
+                  "01cxg0nwafzfg0phbv1b4cv24w7yaalkkdib3qfwf6jqagbfg85y"))))
       (build-system gnu-build-system)
       (arguments
        '(#:modules ((guix build utils)
@@ -127,7 +145,7 @@
          ("guile-squee" ,guile-squee)
          ("guile-git" ,guile-git)
          ("guile-zlib" ,guile-zlib)
-         ("guile-mastodon" ,guile-mastodon)
+         ("guile-mastodon" ,guile-mastodon-dev)
          ("mailutils" ,mailutils)
          ;; FIXME: this is propagated by "guile-git", but it needs to be among
          ;; the inputs to add it to GUILE_LOAD_PATH.