diff --git a/zilti/packages/clojure.scm b/zilti/packages/clojure.scm
index e4b614f..8f4ee40 100644
--- a/zilti/packages/clojure.scm
+++ b/zilti/packages/clojure.scm
@@ -12,6 +12,7 @@
   #:use-module (guix build-system trivial)
   #:use-module (guix download)
   #:use-module (guix git-download)
+  #:use-module (guix gexp)
   #:use-module (guix packages)
   #:use-module (nonguix build-system binary)
   #:use-module ((guix licenses) #:prefix license:))