diff --git a/mkClojureLib.nix b/mkClojureLib.nix
index 3df8cdf..4565c0a 100644
--- a/mkClojureLib.nix
+++ b/mkClojureLib.nix
@@ -4,7 +4,7 @@
 
 with lib;
 let
-  build-tools-deps = writeText "deps.edn" ''
+  build-tools-deps = writeTextDir "deps.edn" ''
     { :aliases
       { :build
         { :ns-default build
@@ -40,7 +40,7 @@ in stdenv.mkDerivation {
 
       clojure \
         -Scp     .:${build-tools-jar}:${classpath} \
-        -Sdeps   ${build-tools-deps} \
+        -Sdeps   ${build-tools-deps}/deps.edn \
         -X:build \
         lib-uberjar \
         :project ${group}/${name} \