diff --git a/C4/Installer/PerlDependencies.pm b/C4/Installer/PerlDependencies.pm
index abd8b65a73..71f35d4f7e 100644
--- a/C4/Installer/PerlDependencies.pm
+++ b/C4/Installer/PerlDependencies.pm
@@ -576,12 +576,12 @@ our $PERL_DEPS = {
     },
     'DBD::Mock' => {
         'usage'    => 'Core',
-        'required' => '0',
+        'required' => '1',
         'min_ver'  => '1.39'
     },
     'Test::MockModule' => {
         'usage'    => 'Core',
-        'required' => '0',
+        'required' => '1',
         'min_ver'  => '0.05',
     },
     'Test::Warn' => {