diff --git a/package.json b/package.json
index f939055e634de..4ae98584318ba 100644
--- a/package.json
+++ b/package.json
@@ -95,7 +95,7 @@
   },
   "resolutions": {
     "theme-ui": "0.4.0-rc.1",
-    "csstype": "2.6.10"
+    "csstype": "2.6.13"
   },
   "engines": {
     "yarn": "^1.17.3",
diff --git a/yarn.lock b/yarn.lock
index 12d9af118631d..2f20b8e9fff11 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7986,10 +7986,10 @@ cssstyle@^2.0.0:
   dependencies:
     cssom "~0.3.6"
 
-csstype@2.6.10, csstype@^2.2.0, csstype@^2.5.7, csstype@^2.6.13, csstype@^2.6.9:
-  version "2.6.10"
-  resolved "https://registry.yarnpkg.com/csstype/-/csstype-2.6.10.tgz#e63af50e66d7c266edb6b32909cfd0aabe03928b"
-  integrity sha512-D34BqZU4cIlMCY93rZHbrq9pjTAQJ3U8S8rfBqjwHxkGPThWFjzZDQpgMJY0QViLxth6ZKYiwFBo14RdN44U/w==
+csstype@2.6.13, csstype@^2.2.0, csstype@^2.5.7, csstype@^2.6.13, csstype@^2.6.9:
+  version "2.6.13"
+  resolved "https://registry.yarnpkg.com/csstype/-/csstype-2.6.13.tgz#a6893015b90e84dd6e85d0e3b442a1e84f2dbe0f"
+  integrity sha512-ul26pfSQTZW8dcOnD2iiJssfXw0gdNVX9IJDH/X3K5DGPfj+fUYe3kB+swUY6BF3oZDxaID3AJt+9/ojSAE05A==
 
 csvtojson@^2.0.10:
   version "2.0.10"