diff --git a/package.json b/package.json
index 7b1dce3..4885918 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "contributors": "https://github.com/TryGhost/Casper/graphs/contributors",
     "devDependencies": {
         "@tryghost/release-utils": "0.6.10",
-        "autoprefixer": "10.2.1",
+        "autoprefixer": "10.2.3",
         "beeper": "2.1.0",
         "cssnano": "4.1.10",
         "gscan": "3.6.1",
diff --git a/yarn.lock b/yarn.lock
index 56a0644..f141f90 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -419,13 +419,13 @@ 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@10.2.1:
-  version "10.2.1"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.2.1.tgz#ce96870df6ddd9ba4c9bbba56c54b9ef4b00a962"
-  integrity sha512-dwP0UjyYvROUvtU+boBx8ff5pPWami1NGTrJs9YUsS/oZVbRAcdNHOOuXSA1fc46tgKqe072cVaKD69rvCc3QQ==
+autoprefixer@10.2.3:
+  version "10.2.3"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.2.3.tgz#2834b55b75cfc10fa80c66000a66dc94b7136804"
+  integrity sha512-vlz+iv+EnLkVaTgX8wApfYzmK3LUfK8Z9XAnmflzxMy/+oFuNK8fVGQV79SOpBv4jxk2YQJimw4hXIKZ29570A==
   dependencies:
     browserslist "^4.16.1"
-    caniuse-lite "^1.0.30001173"
+    caniuse-lite "^1.0.30001178"
     colorette "^1.2.1"
     fraction.js "^4.0.13"
     normalize-range "^0.1.2"
@@ -732,6 +732,11 @@ caniuse-lite@^1.0.30001173:
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001173.tgz#3c47bbe3cd6d7a9eda7f50ac016d158005569f56"
   integrity sha512-R3aqmjrICdGCTAnSXtNyvWYMK3YtV5jwudbq0T7nN9k4kmE4CBuwPqyJ+KBzepSTh0huivV2gLbSMEzTTmfeYw==
 
+caniuse-lite@^1.0.30001178:
+  version "1.0.30001178"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001178.tgz#3ad813b2b2c7d585b0be0a2440e1e233c6eabdbc"
+  integrity sha512-VtdZLC0vsXykKni8Uztx45xynytOi71Ufx9T8kHptSw9AL4dpqailUJJHavttuzUe1KYuBYtChiWv+BAb7mPmQ==
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"