diff --git a/package.json b/package.json
index a6b13a1..1678369 100644
--- a/package.json
+++ b/package.json
@@ -21,30 +21,30 @@
     "!**/__tests__"
   ],
   "dependencies": {
-    "autoprefixer": "^6.0.2",
-    "caniuse-api": "^1.3.2",
-    "chalk": "^1.1.1",
-    "pixrem": "^3.0.0",
+    "autoprefixer": "^9.0.0",
+    "caniuse-api": "^3.0.0",
+    "chalk": "^2.0.0",
+    "pixrem": "^5.0.0",
     "pleeease-filters": "^3.0.0",
-    "postcss": "^5.0.4",
-    "postcss-calc": "^5.0.0",
+    "postcss": "^7.0.37",
+    "postcss-calc": "^6.0.2",
     "postcss-color-function": "^2.0.0",
-    "postcss-color-gray": "^3.0.0",
-    "postcss-color-hex-alpha": "^2.0.0",
-    "postcss-color-hwb": "^2.0.0",
-    "postcss-color-rebeccapurple": "^2.0.0",
-    "postcss-color-rgba-fallback": "^2.0.0",
-    "postcss-custom-media": "^5.0.0",
-    "postcss-custom-properties": "^5.0.0",
-    "postcss-custom-selectors": "^3.0.0",
-    "postcss-font-variant": "^2.0.0",
-    "postcss-initial": "^1.3.1",
-    "postcss-media-minmax": "^2.1.0",
-    "postcss-nesting": "^2.0.5",
-    "postcss-pseudo-class-any-link": "^1.0.0",
+    "postcss-color-gray": "^5.0.0",
+    "postcss-color-hex-alpha": "^4.0.0",
+    "postcss-color-hwb": "^3.0.0",
+    "postcss-color-rebeccapurple": "^4.0.0",
+    "postcss-color-rgba-fallback": "^4.0.0",
+    "postcss-custom-media": "^7.0.0",
+    "postcss-custom-properties": "^8.0.0",
+    "postcss-custom-selectors": "^5.0.0",
+    "postcss-font-variant": "^4.0.0",
+    "postcss-initial": "^3.0.0",
+    "postcss-media-minmax": "^4.0.0",
+    "postcss-nesting": "^7.0.0",
+    "postcss-pseudo-class-any-link": "^6.0.0",
     "postcss-pseudoelements": "^3.0.0",
-    "postcss-selector-matches": "^2.0.0",
-    "postcss-selector-not": "^2.0.0"
+    "postcss-selector-matches": "^4.0.0",
+    "postcss-selector-not": "^4.0.0"
   },
   "devDependencies": {
     "babel-cli": "^6.6.5",