diff -ur ocaml-fileutils-0.5.2.old/setup.ml ocaml-fileutils-0.5.2.new/setup.ml
--- ocaml-fileutils-0.5.2.old/setup.ml	2017-05-23 21:12:33.000000000 +0100
+++ ocaml-fileutils-0.5.2.new/setup.ml	2020-02-27 08:52:42.964618292 +0000
@@ -7621,7 +7621,7 @@
                            InternalLibrary "fileutils";
                            InternalLibrary "fileutils-str";
                            FindlibPackage
-                             ("oUnit",
+                             ("ounit2",
                                Some (OASISVersion.VGreaterEqual "2.0.0"))
                         ];
                       bs_build_tools = [ExternalTool "ocamlbuild"];
diff -ur ocaml-fileutils-0.5.2.old/_tags ocaml-fileutils-0.5.2.new/_tags
--- ocaml-fileutils-0.5.2.old/_tags	2017-05-23 21:12:33.000000000 +0100
+++ ocaml-fileutils-0.5.2.new/_tags	2020-02-27 08:52:38.020680545 +0000
@@ -28,13 +28,13 @@ true: annot, bin_annot
 <test/BenchFind.{native,byte}>: use_fileutils
 # Executable test
 "test/test.byte": pkg_bytes
-"test/test.byte": pkg_oUnit
+"test/test.byte": pkg_ounit2
 "test/test.byte": pkg_str
 "test/test.byte": pkg_unix
 "test/test.byte": use_fileutils
 "test/test.byte": use_fileutils-str
 <test/*.ml{,i,y}>: pkg_bytes
-<test/*.ml{,i,y}>: pkg_oUnit
+<test/*.ml{,i,y}>: pkg_ounit2
 <test/*.ml{,i,y}>: pkg_str
 <test/*.ml{,i,y}>: pkg_unix
 <test/*.ml{,i,y}>: use_fileutils