diff --git a/package-lock.json b/package-lock.json
index 5c5a596..2b3b351 100644
--- a/package-lock.json
+++ b/package-lock.json
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 }
diff --git a/package.json b/package.json
index 5b1bd30..b83cca9 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
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     "gulp-rename": "^2.0.0",
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+    "gulp-sass": "^5.1.0",
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     "gulp-webserver": "^0.9.1",
     "jasmine-core": "^3.2.1",