diff --git a/packages/resolve-cascade/package.json b/packages/resolve-cascade/package.json
index 72e6d961..f013db44 100644
--- a/packages/resolve-cascade/package.json
+++ b/packages/resolve-cascade/package.json
@@ -58,10 +58,10 @@
   "dependencies": {
     "@opticss/css-select": "1.3.0-li.3",
     "css-property-parser": "^1.0.5",
-    "css-size": "^4.0.1",
+    "css-size": "^5.0.0",
     "domutils": "^1.6.2",
     "parse5": "^5.0.0",
-    "postcss": "^7.0.14",
+    "postcss": "^8.2.10",
     "specificity": "^0.4.1"
   },
   "gitHead": "ef310cb1b10dbc90cae4f859da146863f99d940b"