diff --git a/package.json b/package.json
index 1f759c21..98366d2a 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "@vue/cli-plugin-unit-jest": "4.5.8",
     "@vue/cli-service": "4.5.8",
     "@vue/test-utils": "1.1.1",
-    "autoprefixer": "10.0.2",
+    "autoprefixer": "9.8.6",
     "babel-eslint": "10.1.0",
     "babel-jest": "26.6.3",
     "babel-plugin-dynamic-import-node": "2.3.3",