diff --git a/guix-dev.scm b/guix-dev.scm
index 6b51e8a..f9faef3 100644
--- a/guix-dev.scm
+++ b/guix-dev.scm
@@ -38,8 +38,8 @@
   (source #f)
   (build-system gnu-build-system)
   (inputs
-   (list guile-3.0
-         guile-fibers))
+   (list guile-next
+         guile-fibers-next))
   (native-inputs
    (list autoconf
          automake