diff --git a/camlp5/dune b/camlp5/dune
index 85d7ab2b..f0d10645 100644
--- a/camlp5/dune
+++ b/camlp5/dune
@@ -107,7 +107,9 @@
 
 (rule
  (targets pp5+gt+o.exe)
- (deps pa_gt.cmxa)
+ (deps
+  pa_gt.cmxa
+  (package GT))
  (action
   (run
    mkcamlp5.opt
@@ -121,7 +123,9 @@
 
 (rule
  (targets pp5+gt+o.byte)
- (deps pa_gt.cma)
+ (deps
+  pa_gt.cma
+  (package GT))
  (action
   (run
    mkcamlp5
diff --git a/dune b/dune
index eb4e0d45..629740c7 100644
--- a/dune
+++ b/dune
@@ -6,4 +6,6 @@
 (mdx
  (files index.mld README.md)
  (package GT)
- (libraries GT))
+ (libraries GT)
+ (deps
+  (package GT)))