diff --git a/package.json b/package.json
index 90516f9f..5a710530 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "bugs": "https://github.com/TryGhost/Starter/issues",
     "contributors": "https://github.com/TryGhost/Starter/graphs/contributors",
     "devDependencies": {
-        "autoprefixer": "9.8.0",
+        "autoprefixer": "9.8.3",
         "cssnano": "4.1.10",
         "gscan": "3.5.4",
         "gulp": "4.0.2",
diff --git a/yarn.lock b/yarn.lock
index 1d59852f..d6cc905e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -464,17 +464,17 @@ atob@^2.1.2:
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
   integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
 
-autoprefixer@9.8.0:
-  version "9.8.0"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.8.0.tgz#68e2d2bef7ba4c3a65436f662d0a56a741e56511"
-  integrity sha512-D96ZiIHXbDmU02dBaemyAg53ez+6F5yZmapmgKcjm35yEe1uVDYI8hGW3VYoGRaG290ZFf91YxHrR518vC0u/A==
+autoprefixer@9.8.3:
+  version "9.8.3"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.8.3.tgz#e04c8b7f72c608e4aef1b74a542946e2ed271753"
+  integrity sha512-Y3CkEPqPqGw0TNBcMoUAxeZT9WEOAh0BPYENOTrN/bEfNBqjlYWjHbR1PKduBrmAVn8WbEZtMA3gAZO5MgV7Pg==
   dependencies:
     browserslist "^4.12.0"
-    caniuse-lite "^1.0.30001061"
-    chalk "^2.4.2"
+    caniuse-lite "^1.0.30001087"
+    kleur "^4.0.1"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
-    postcss "^7.0.30"
+    postcss "^7.0.32"
     postcss-value-parser "^4.1.0"
 
 aws-sign2@~0.7.0:
@@ -755,11 +755,16 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001043, caniuse-lite@^1.0.30001061:
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001043:
   version "1.0.30001085"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001085.tgz#bed28bd51ff7425d33ee23e730c7f3b703711db6"
   integrity sha512-x0YRFRE0pmOD90z+9Xk7jwO58p4feVNXP+U8kWV+Uo/HADyrgESlepzIkUqPgaXkpyceZU6siM1gsK7sHgplqA==
 
+caniuse-lite@^1.0.30001087:
+  version "1.0.30001087"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001087.tgz#4a0bdc5998a114fcf8b7954e7ba6c2c29831c54a"
+  integrity sha512-KAQRGtt+eGCQBSp2iZTQibdCf9oe6cNTi5lmpsW38NnxP4WMYzfU6HCRmh4kJyh6LrTM9/uyElK4xcO93kafpg==
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -3022,6 +3027,11 @@ kind-of@^6.0.0, kind-of@^6.0.2:
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.3.tgz#07c05034a6c349fa06e24fa35aa76db4580ce4dd"
   integrity sha512-dcS1ul+9tmeD95T+x28/ehLgd9mENa3LsvDTtzm3vyBEO7RPptvAD+t44WVXaUjTBRcrpFeFlC8WCruUR456hw==
 
+kleur@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/kleur/-/kleur-4.0.1.tgz#3d4948534b666e2578f93b6fafb62108e64f05ef"
+  integrity sha512-Qs6SqCLm63rd0kNVh+wO4XsWLU6kgfwwaPYsLiClWf0Tewkzsa6MvB21bespb8cz+ANS+2t3So1ge3gintzhlw==
+
 last-run@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/last-run/-/last-run-1.1.1.tgz#45b96942c17b1c79c772198259ba943bebf8ca5b"
@@ -4314,7 +4324,7 @@ postcss@^6.0.1, postcss@^6.0.11:
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
-postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.27, postcss@^7.0.30, postcss@^7.0.5:
+postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.27, postcss@^7.0.32, postcss@^7.0.5:
   version "7.0.32"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.32.tgz#4310d6ee347053da3433db2be492883d62cec59d"
   integrity sha512-03eXong5NLnNCD05xscnGKGDZ98CyzoqPSMjOe6SuoQY7Z2hIj0Ld1g/O/UQRuOle2aRtiIRDg9tDcTGAkLfKw==