diff --git a/perl-File-Which.spec b/perl-File-Which.spec
index 0a87ce4..b5ad0dd 100644
--- a/perl-File-Which.spec
+++ b/perl-File-Which.spec
@@ -16,6 +16,7 @@ BuildRequires:  perl(Exporter)
 BuildRequires:  perl(File::Spec) >= 0.60
 BuildRequires:  perl(warnings)
 # Tests:
+BuildRequires:  perl(Env)
 BuildRequires:  perl(Config)
 BuildRequires:  perl(Test::More) >= 0.80
 Requires:       perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))