diff --git a/package-lock.json b/package-lock.json
index ef075826ec5..2eca748bd5f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1182,11 +1182,11 @@
       "dependencies": {
         "etch": {
           "version": "0.9.0",
-          "bundled": true
+          "resolved": false
         },
         "semver": {
           "version": "5.5.1",
-          "bundled": true
+          "resolved": false
         }
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@@ -1472,11 +1472,11 @@
       "dependencies": {
         "underscore": {
           "version": "1.9.1",
-          "bundled": true
+          "resolved": false
         },
         "underscore-plus": {
           "version": "1.7.0",
-          "bundled": true,
+          "resolved": false,
           "requires": {
             "underscore": "^1.9.1"
           }
@@ -1771,6 +1771,7 @@
       "version": "2.10.1",
       "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
+      "optional": true,
       "requires": {
         "hoek": "2.x.x"
       }
@@ -2071,6 +2072,11 @@
         }
       }
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+    "colorette": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
+      "integrity": "sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w=="
+    },
     "colors": {
       "version": "0.6.2",
       "resolved": "https://registry.npmjs.org/colors/-/colors-0.6.2.tgz",
@@ -2282,7 +2288,7 @@
       "dependencies": {
         "grim": {
           "version": "2.0.2",
-          "bundled": true,
+          "resolved": false,
           "requires": {
             "event-kit": "^2.0.0"
           }
@@ -2443,22 +2449,22 @@
       "dependencies": {
         "etch": {
           "version": "0.9.0",
-          "bundled": true
+          "resolved": false
         },
         "grim": {
           "version": "2.0.2",
-          "bundled": true,
+          "resolved": false,
           "requires": {
             "event-kit": "^2.0.0"
           }
         },
         "underscore": {
           "version": "1.9.1",
-          "bundled": true
+          "resolved": false
         },
         "underscore-plus": {
           "version": "1.7.0",
-          "bundled": true,
+          "resolved": false,
           "requires": {
             "underscore": "^1.9.1"
           }
@@ -2826,11 +2832,11 @@
       "dependencies": {
         "underscore": {
           "version": "1.9.1",
-          "bundled": true
+          "resolved": false
         },
         "underscore-plus": {
           "version": "1.7.0",
-          "bundled": true,
+          "resolved": false,
           "requires": {
             "underscore": "^1.9.1"
           }
@@ -3235,11 +3241,11 @@
       "dependencies": {
         "rimraf": {
           "version": "2.2.8",
-          "bundled": true
+          "resolved": false
         },
         "temp": {
           "version": "0.8.3",
-          "bundled": true,
+          "resolved": false,
           "requires": {
             "os-tmpdir": "^1.0.0",
             "rimraf": "~2.2.6"
@@ -3432,11 +3438,6 @@
         "ansi-regex": "^2.0.0"
       }
     },
-    "has-flag": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-1.0.0.tgz",
-      "integrity": "sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo="
-    },
     "has-symbols": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.1.tgz",
@@ -3467,7 +3468,8 @@
     "hoek": {
       "version": "2.16.3",
       "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
-      "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
+      "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
+      "optional": true
     },
     "home-or-tmp": {
       "version": "1.0.0",
@@ -3790,11 +3792,6 @@
         "jasmine-focused": "^1.0.7"
       }
     },
-    "js-base64": {
-      "version": "2.4.6",
-      "resolved": "https://registry.npmjs.org/js-base64/-/js-base64-2.4.6.tgz",
-      "integrity": "sha512-O9SR2NVICx6rCqh1qsU91QZ5IoNa+2T1ROJ0OQlfvATKGmnjsAvg3r0E5ufPZ4a95jdKTPXhFWiE/sOZ7a5Rtg=="
-    },
     "js-levenshtein": {
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/js-levenshtein/-/js-levenshtein-1.1.6.tgz",
@@ -4349,11 +4346,11 @@
       "dependencies": {
         "underscore": {
           "version": "1.9.1",
-          "bundled": true
+          "resolved": false
         },
         "underscore-plus": {
           "version": "1.7.0",
-          "bundled": true,
+          "resolved": false,
           "requires": {
             "underscore": "^1.9.1"
           }
@@ -4381,11 +4378,11 @@
       "dependencies": {
         "underscore": {
           "version": "1.9.1",
-          "bundled": true
+          "resolved": false
         },
         "underscore-plus": {
           "version": "1.7.0",
-          "bundled": true,
+          "resolved": false,
           "requires": {
             "underscore": "^1.9.1"
           }
@@ -4879,6 +4876,11 @@
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
       "integrity": "sha1-ltDNYQ69WNS03pzAxoKM2pnHVI8="
     },
+    "nanoid": {
+      "version": "3.1.22",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.22.tgz",
+      "integrity": "sha512-/2ZUaJX2ANuLtTvqTlgqBQNJoQO398KyJgZloL0PZkC0dpysjncRUPsFe3DUPzz/y3h+u7C46np8RMuvF3jsSQ=="
+    },
     "napi-build-utils": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/napi-build-utils/-/napi-build-utils-1.0.1.tgz",
@@ -5269,28 +5271,19 @@
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
     "postcss": {
-      "version": "5.2.4",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-5.2.4.tgz",
-      "integrity": "sha1-jrS+4+XE4JFYWxFt8y2NskpTXyE=",
+      "version": "8.2.13",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.13.tgz",
+      "integrity": "sha512-FCE5xLH+hjbzRdpbRb1IMCvPv9yZx2QnDarBEYSN0N0HYk+TcXsEhwdFcFb+SRWOKzKGErhIEbBK2ogyLdTtfQ==",
       "requires": {
-        "chalk": "^1.1.3",
-        "js-base64": "^2.1.9",
-        "source-map": "^0.5.6",
-        "supports-color": "^3.1.2"
+        "colorette": "^1.2.2",
+        "nanoid": "^3.1.22",
+        "source-map": "^0.6.1"
       },
       "dependencies": {
         "source-map": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
-        },
-        "supports-color": {
-          "version": "3.2.3",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-3.2.3.tgz",
-          "integrity": "sha1-ZawFBLOVQXHYpklGsq48u4pfVPY=",
-          "requires": {
-            "has-flag": "^1.0.0"
-          }
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
         }
       }
     },
@@ -7021,7 +7014,7 @@
       "dependencies": {
         "etch": {
           "version": "0.9.0",
-          "bundled": true
+          "resolved": false
         }
       }
     },
diff --git a/package.json b/package.json
index 41eccd9aabf..586282fbf77 100644
--- a/package.json
+++ b/package.json
@@ -134,7 +134,7 @@
     "open-on-github": "https://www.atom.io/api/packages/open-on-github/versions/1.3.2/tarball",
     "package-generator": "https://www.atom.io/api/packages/package-generator/versions/1.3.0/tarball",
     "pathwatcher": "8.1.0",
-    "postcss": "5.2.4",
+    "postcss": "8.2.13",
     "postcss-selector-parser": "2.2.1",
     "property-accessors": "^1.1.3",
     "random-words": "0.0.1",