diff --git a/arrayjit.opam b/arrayjit.opam
index e68b2070..0a2c7e9d 100644
--- a/arrayjit.opam
+++ b/arrayjit.opam
@@ -22,7 +22,7 @@ depends: [
   "gccjit" {>= "0.3.2"}
   "printbox"
   "printbox-text"
-  "npy"
+  "ocannl_npy"
   "stdio"
   "num"
   "ppxlib"
diff --git a/dune-project b/dune-project
index 8bc8790d..2de00ba4 100644
--- a/dune-project
+++ b/dune-project
@@ -27,7 +27,7 @@
 ;   (version 0.0.9)))
 
 (package
- (name npy)
+ (name ocannl_npy)
  (synopsis "Numpy file format support for ocaml")
  (authors "Laurent Mazare")
  (maintainers "Laurent Mazare <lmazare@gmail.com>")
@@ -56,7 +56,7 @@
    (>= 0.3.2))
   printbox
   printbox-text
-  npy
+  ocannl_npy
   stdio
   num
   ppxlib
@@ -83,7 +83,7 @@
   arrayjit
   printbox
   printbox-text
-  npy
+  ocannl_npy
   angstrom
   stdio
   num
diff --git a/npy/src/dune b/npy/src/dune
index d00eb4a3..02fd5b6f 100644
--- a/npy/src/dune
+++ b/npy/src/dune
@@ -1,4 +1,4 @@
 (library
  (name npy)
- (public_name npy)
+ (public_name ocannl_npy)
  (libraries bigarray camlzip))
diff --git a/ocannl.opam b/ocannl.opam
index c929d50e..a19b1418 100644
--- a/ocannl.opam
+++ b/ocannl.opam
@@ -20,7 +20,7 @@ depends: [
   "arrayjit"
   "printbox"
   "printbox-text"
-  "npy"
+  "ocannl_npy"
   "angstrom"
   "stdio"
   "num"
diff --git a/npy.opam b/ocannl_npy.opam
similarity index 100%
rename from npy.opam
rename to ocannl_npy.opam