diff --git a/ext/libsass b/ext/libsass
index 1e52b743..9cfe0df9 160000
--- a/ext/libsass
+++ b/ext/libsass
@@ -1 +1 @@
-Subproject commit 1e52b74306b7d73a617396c912ca436dc55fd4d8
+Subproject commit 9cfe0df975945325e05d6dd39ee98224898d9a79
diff --git a/test/engine_test.rb b/test/engine_test.rb
index 0e47256a..e8afdf64 100644
--- a/test/engine_test.rb
+++ b/test/engine_test.rb
@@ -267,5 +267,16 @@ def test_empty_template_encoding_matches_input
       output = Engine.new(input).render
       assert_equal input.encoding, output.encoding
     end
+
+    def test_import_plain_css
+      temp_file("test.css", ".something{color: red}")
+      expected_output = <<-CSS
+.something {
+  color: red; }
+      CSS
+
+      output = Engine.new("@import 'test'").render
+      assert_equal expected_output, output
+    end
   end
 end
diff --git a/test/native_test.rb b/test/native_test.rb
index 25cd894f..ad0528ad 100644
--- a/test/native_test.rb
+++ b/test/native_test.rb
@@ -9,7 +9,7 @@ module NativeTest
 
     class General < MiniTest::Test
       def test_it_reports_the_libsass_version
-        assert_equal "3.5.4", Native.version
+        assert_equal "3.5.2", Native.version
       end
     end