diff --git a/.package-lists/guix-default-manifest.scm b/.package-lists/guix-default-manifest.scm
index 09e168e2..b60f9bd4 100644
--- a/.package-lists/guix-default-manifest.scm
+++ b/.package-lists/guix-default-manifest.scm
@@ -102,6 +102,7 @@
     "emacs-unfill"
     "emacs-w3m"
     "emacs-wgrep"
+    "emacs-windower"
     "emacs-ws-butler"
     "emacs-yasnippet"
     "emacs-youtube-dl"