diff --git a/package.json b/package.json
index 26584dc..e3b5276 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "contributors": "https://github.com/TryGhost/Casper/graphs/contributors",
     "devDependencies": {
         "@tryghost/release-utils": "0.6.3",
-        "autoprefixer": "9.8.2",
+        "autoprefixer": "9.8.3",
         "beeper": "2.0.0",
         "cssnano": "4.1.10",
         "gscan": "3.5.4",
diff --git a/yarn.lock b/yarn.lock
index 14b8f81..9474a4e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -429,13 +429,13 @@ 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@9.8.2:
-  version "9.8.2"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.8.2.tgz#7347396ee576b18687041bfbacd76d78e27baa56"
-  integrity sha512-9UwMMU8Rg7Fj0c55mbOpXrr/2WrRqoOwOlLNTyyYt+nhiyQdIBWipp5XWzt+Lge8r3DK5y+EHMc1OBf8VpZA6Q==
+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 "^1.0.30001084"
+    caniuse-lite "^1.0.30001087"
     kleur "^4.0.1"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
@@ -723,10 +723,10 @@ caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001043:
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001048.tgz#4bb4f1bc2eb304e5e1154da80b93dee3f1cf447e"
   integrity sha512-g1iSHKVxornw0K8LG9LLdf+Fxnv7T1Z+mMsf0/YYLclQX4Cd522Ap0Lrw6NFqHgezit78dtyWxzlV2Xfc7vgRg==
 
-caniuse-lite@^1.0.30001084:
-  version "1.0.30001084"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001084.tgz#00e471931eaefbeef54f46aa2203914d3c165669"
-  integrity sha512-ftdc5oGmhEbLUuMZ/Qp3mOpzfZLCxPYKcvGv6v2dJJ+8EdqcvZRbAGOiLmkM/PV1QGta/uwBs8/nCl6sokDW6w==
+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"