diff --git a/deps.edn b/deps.edn
index c3b7191..ec819f5 100644
--- a/deps.edn
+++ b/deps.edn
@@ -7,7 +7,7 @@
  :aliases
  {;; for help: clojure -A:deps -T:build help/doc
   :build {:deps {io.github.seancorfield/build-clj
-                 {:git/tag "v0.3.1" :git/sha "996ddfa"}}
+                 {:git/tag "v0.4.0" :git/sha "54e39ae"}}
           :ns-default build}
 
   ;; versions to test against: