diff --git a/lib/Facebook/OpenGraph/Response.pm b/lib/Facebook/OpenGraph/Response.pm
index 4a584b0..e50f5a9 100644
--- a/lib/Facebook/OpenGraph/Response.pm
+++ b/lib/Facebook/OpenGraph/Response.pm
@@ -40,20 +40,26 @@ sub is_api_version_eq_or_later_than {
     my ($self, $comparing_version) = @_;
     croak 'comparing version is not given.' unless $comparing_version;
 
-    (my $decimal_comparing_version = $comparing_version) =~ s/\A v //x;
-    (my $decimal_response_version  = $self->api_version) =~ s/\A v //x;
+    (my $comp_major, my $comp_minor)
+        = $comparing_version =~ m/ (\d+) \. (\d+ )/x;
 
-    return ($decimal_comparing_version + 0) <= ($decimal_response_version + 0);
+    (my $response_major, my $response_minor)
+        = $self->api_version =~ m/ (\d+) \. (\d+ )/x;
+
+    return $comp_major <= $response_major && $comp_minor <= $response_minor;
 }
 
 sub is_api_version_eq_or_older_than {
     my ($self, $comparing_version) = @_;
     croak 'comparing version is not given.' unless $comparing_version;
 
-    (my $decimal_comparing_version = $comparing_version) =~ s/\A v //x;
-    (my $decimal_response_version  = $self->api_version) =~ s/\A v //x;
+    (my $comp_major, my $comp_minor)
+        = $comparing_version =~ m/ (\d+) \. (\d+ )/x;
+
+    (my $response_major, my $response_minor)
+        = $self->api_version =~ m/ (\d+) \. (\d+ )/x;
 
-    return ($decimal_comparing_version + 0) >= ($decimal_response_version + 0);
+    return $response_major <= $comp_major && $response_minor <= $comp_minor;
 }
 
 sub header {
diff --git a/t/004_response/01_basic.t b/t/004_response/01_basic.t
index cbb6786..208e06f 100644
--- a/t/004_response/01_basic.t
+++ b/t/004_response/01_basic.t
@@ -86,8 +86,13 @@ subtest 'is_api_version_eq_or_older_than' => sub {
         content     => $content,
     });
 
+    ok(!$res->is_api_version_eq_or_older_than('v1.3'));
+    ok(!$res->is_api_version_eq_or_older_than('v1.4'));
     ok($res->is_api_version_eq_or_older_than('v2.3'));
     ok($res->is_api_version_eq_or_older_than('v2.4'));
+    ok($res->is_api_version_eq_or_older_than('v2.10'));
+    ok($res->is_api_version_eq_or_older_than('v3.3'));
+    ok($res->is_api_version_eq_or_older_than('v3.4'));
 };
 
 subtest 'is_api_version_eq_or_later_than' => sub {
@@ -112,8 +117,13 @@ subtest 'is_api_version_eq_or_later_than' => sub {
         content     => $content,
     });
 
-    ok($res->is_api_version_eq_or_later_than('v2.3'));
+    ok($res->is_api_version_eq_or_later_than('v1.2'));
+    ok($res->is_api_version_eq_or_later_than('v1.3'));
     ok($res->is_api_version_eq_or_later_than('v2.2'));
+    ok($res->is_api_version_eq_or_later_than('v2.3'));
+    ok(!$res->is_api_version_eq_or_later_than('v2.10'));
+    ok(!$res->is_api_version_eq_or_later_than('v3.2'));
+    ok(!$res->is_api_version_eq_or_later_than('v3.3'));
 };
 
 done_testing;