diff --git a/package.json b/package.json
index 7d855f5..818de9f 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": "9.8.5",
+        "autoprefixer": "9.8.6",
         "beeper": "2.0.0",
         "cssnano": "4.1.10",
         "gscan": "3.5.5",
diff --git a/yarn.lock b/yarn.lock
index a880c27..161101f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -436,14 +436,14 @@ 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@9.8.5:
-  version "9.8.5"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.8.5.tgz#2c225de229ddafe1d1424c02791d0c3e10ccccaa"
-  integrity sha512-C2p5KkumJlsTHoNv9w31NrBRgXhf6eCMteJuHZi2xhkgC+5Vm40MEtCKPhc0qdgAOhox0YPy1SQHTAky05UoKg==
+autoprefixer@9.8.6:
+  version "9.8.6"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.8.6.tgz#3b73594ca1bf9266320c5acf1588d74dea74210f"
+  integrity sha512-XrvP4VVHdRBCdX1S3WXVD8+RyG9qeb1D5Sn1DeLiG2xfSpzellk5k54xbUERJ3M5DggQxes39UGOTP8CFrEGbg==
   dependencies:
     browserslist "^4.12.0"
-    caniuse-lite "^1.0.30001097"
-    colorette "^1.2.0"
+    caniuse-lite "^1.0.30001109"
+    colorette "^1.2.1"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
     postcss "^7.0.32"
@@ -725,10 +725,10 @@ caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001093:
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001097.tgz#1129c40c9f5ee3282158da08fd915d301f4a9bd8"
   integrity sha512-TeuSleKt/vWXaPkLVFqGDnbweYfq4IaZ6rUugFf3rWY6dlII8StUZ8Ddin0PkADfgYZ4wRqCdO2ORl4Rn5eZIA==
 
-caniuse-lite@^1.0.30001097:
-  version "1.0.30001099"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001099.tgz#540118fcc6842d1fde62f4ee5521d1ec6afdb40e"
-  integrity sha512-sdS9A+sQTk7wKoeuZBN/YMAHVztUfVnjDi4/UV3sDE8xoh7YR12hKW+pIdB3oqKGwr9XaFL2ovfzt9w8eUI5CA==
+caniuse-lite@^1.0.30001109:
+  version "1.0.30001109"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001109.tgz#a9f3f26a0c3753b063d7acbb48dfb9c0e46f2b19"
+  integrity sha512-4JIXRodHzdS3HdK8nSgIqXYLExOvG+D2/EenSvcub2Kp3QEADjo2v2oUn5g0n0D+UNwG9BtwKOyGcSq2qvQXvQ==
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -923,7 +923,7 @@ color@^3.0.0:
     color-convert "^1.9.1"
     color-string "^1.5.2"
 
-colorette@^1.2.0:
+colorette@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.1.tgz#4d0b921325c14faf92633086a536db6e89564b1b"
   integrity sha512-puCDz0CzydiSYOrnXpz/PKd69zRrribezjtE9yd4zvytoRc8+RY/KJPvtPFKZS3E3wP6neGyMe0vOTlHO5L3Pw==