diff --git a/.guix-extra/manifest-compose.scm b/.guix-extra/manifest-compose.scm
index 43d0f9be863310c13f381162755db22ef365b179..e9dd225f0b2543ac1d26aae9ffc04d46e7942fe1 100644
--- a/.guix-extra/manifest-compose.scm
+++ b/.guix-extra/manifest-compose.scm
@@ -23,5 +23,6 @@
    "texlive"
    "tree"
    "which"
-   "wget"))
+   "wget"
+   "biber"))