diff --git a/package-lock.json b/package-lock.json
index 3f8715f..4b1acb5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,7 +31,7 @@
         "@jamshop/eleventy-plugin-esbuild": "WebComponentsGuide/eleventy-plugin-esbuild",
         "@oddbird/popover-polyfill": "^0.4.0",
         "@ungap/custom-elements": "^1.1.1",
-        "autoprefixer": "10.4.19",
+        "autoprefixer": "10.4.20",
         "cheerio": "1.0.0-rc.12",
         "construct-style-sheets-polyfill": "^3.1.0",
         "cssnano": "^6.0.1",
@@ -1996,9 +1996,9 @@
       }
     },
     "node_modules/autoprefixer": {
-      "version": "10.4.19",
-      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-10.4.19.tgz",
-      "integrity": "sha512-BaENR2+zBZ8xXhM4pUaKUxlVdxZ0EZhjvbopwnXmxRUfqDmwSpC2lAi/QXvx7NRdPCo1WKEcEF6mV64si1z4Ew==",
+      "version": "10.4.20",
+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-10.4.20.tgz",
+      "integrity": "sha512-XY25y5xSv/wEoqzDyXXME4AFfkZI0P23z6Fs3YgymDnKJkCGOnkL0iTxCa85UTqaSgfcqyf3UA6+c7wUvx/16g==",
       "dev": true,
       "funding": [
         {
@@ -2014,12 +2014,13 @@
           "url": "https://github.com/sponsors/ai"
         }
       ],
+      "license": "MIT",
       "dependencies": {
-        "browserslist": "^4.23.0",
-        "caniuse-lite": "^1.0.30001599",
+        "browserslist": "^4.23.3",
+        "caniuse-lite": "^1.0.30001646",
         "fraction.js": "^4.3.7",
         "normalize-range": "^0.1.2",
-        "picocolors": "^1.0.0",
+        "picocolors": "^1.0.1",
         "postcss-value-parser": "^4.2.0"
       },
       "bin": {
@@ -2137,9 +2138,9 @@
       }
     },
     "node_modules/browserslist": {
-      "version": "4.23.0",
-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.23.0.tgz",
-      "integrity": "sha512-QW8HiM1shhT2GuzkvklfjcKDiWFXHOeFCIA/huJPwHsslwcydgk7X+z2zXpEijP98UCY7HbubZt5J2Zgvf0CaQ==",
+      "version": "4.23.3",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.23.3.tgz",
+      "integrity": "sha512-btwCFJVjI4YWDNfau8RhZ+B1Q/VLoUITrm3RlP6y1tYGWIOa+InuYiRGXUBXo8nA1qKmHMyLB/iVQg5TT4eFoA==",
       "dev": true,
       "funding": [
         {
@@ -2155,11 +2156,12 @@
           "url": "https://github.com/sponsors/ai"
         }
       ],
+      "license": "MIT",
       "dependencies": {
-        "caniuse-lite": "^1.0.30001587",
-        "electron-to-chromium": "^1.4.668",
-        "node-releases": "^2.0.14",
-        "update-browserslist-db": "^1.0.13"
+        "caniuse-lite": "^1.0.30001646",
+        "electron-to-chromium": "^1.5.4",
+        "node-releases": "^2.0.18",
+        "update-browserslist-db": "^1.1.0"
       },
       "bin": {
         "browserslist": "cli.js"
@@ -2235,9 +2237,9 @@
       }
     },
     "node_modules/caniuse-lite": {
-      "version": "1.0.30001600",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001600.tgz",
-      "integrity": "sha512-+2S9/2JFhYmYaDpZvo0lKkfvuKIglrx68MwOBqMGHhQsNkLjB5xtc/TGoEPs+MxjSyN/72qer2g97nzR641mOQ==",
+      "version": "1.0.30001649",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001649.tgz",
+      "integrity": "sha512-fJegqZZ0ZX8HOWr6rcafGr72+xcgJKI9oWfDW5DrD7ExUtgZC7a7R7ZYmZqplh7XDocFdGeIFn7roAxhOeYrPQ==",
       "dev": true,
       "funding": [
         {
@@ -2252,7 +2254,8 @@
           "type": "github",
           "url": "https://github.com/sponsors/ai"
         }
-      ]
+      ],
+      "license": "CC-BY-4.0"
     },
     "node_modules/ccount": {
       "version": "2.0.1",
@@ -3166,10 +3169,11 @@
       }
     },
     "node_modules/electron-to-chromium": {
-      "version": "1.4.681",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.681.tgz",
-      "integrity": "sha512-1PpuqJUFWoXZ1E54m8bsLPVYwIVCRzvaL+n5cjigGga4z854abDnFRc+cTa2th4S79kyGqya/1xoR7h+Y5G5lg==",
-      "dev": true
+      "version": "1.5.4",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.5.4.tgz",
+      "integrity": "sha512-orzA81VqLyIGUEA77YkVA1D+N+nNfl2isJVjjmOyrlxuooZ19ynb+dOlaDTqd/idKRS9lDCSBmtzM+kyCsMnkA==",
+      "dev": true,
+      "license": "ISC"
     },
     "node_modules/eleventy-postcss-extension": {
       "version": "1.0.0",
@@ -3283,10 +3287,11 @@
       }
     },
     "node_modules/escalade": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
-      "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.2.tgz",
+      "integrity": "sha512-ErCHMCae19vR8vQGe50xIsVomy19rg6gFu3+r3jkEO46suLMWBksvVyoGgQV+jOfl84ZSOSlmv6Gxa89PmTGmA==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=6"
       }
@@ -6603,10 +6608,11 @@
       }
     },
     "node_modules/node-releases": {
-      "version": "2.0.14",
-      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-2.0.14.tgz",
-      "integrity": "sha512-y10wOWt8yZpqXmOgRo77WaHEmhYQYGNA6y421PKsKYWEK8aW+cqAphborZDhqfyKrbZEN92CN1X2KbafY2s7Yw==",
-      "dev": true
+      "version": "2.0.18",
+      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-2.0.18.tgz",
+      "integrity": "sha512-d9VeXT4SJ7ZeOqGX6R5EM022wpL+eWPooLI+5UpWn2jCT1aosUQEhQP214x33Wkwx3JQMvIm+tIoVOdodFS40g==",
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/normalize-package-data": {
       "version": "3.0.3",
@@ -7182,9 +7188,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.40",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.40.tgz",
-      "integrity": "sha512-YF2kKIUzAofPMpfH6hOi2cGnv/HrUlfucspc7pDyvv7kGdqXrfj8SCl/t8owkEgKEuu8ZcRjSOxFxVLqwChZ2Q==",
+      "version": "8.4.41",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.41.tgz",
+      "integrity": "sha512-TesUflQ0WKZqAvg52PWL6kHgLKP6xB6heTOdoYM0Wt2UHyxNa4K25EZZMgKns3BH1RLVbZCREPpLY0rhnNoHVQ==",
       "dev": true,
       "funding": [
         {
@@ -11904,9 +11910,9 @@
       }
     },
     "node_modules/update-browserslist-db": {
-      "version": "1.0.13",
-      "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.0.13.tgz",
-      "integrity": "sha512-xebP81SNcPuNpPP3uzeW1NYXxI3rxyJzF3pD6sH4jE7o/IX+WtSpwnVU+qIsDPyk0d3hmFQ7mjqc6AtV604hbg==",
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.1.0.tgz",
+      "integrity": "sha512-EdRAaAyk2cUE1wOf2DkEhzxqOQvFOoRJFNS6NeyJ01Gp2beMRpBAINjM2iDXE3KCuKhwnvHIQCJm6ThL2Z+HzQ==",
       "dev": true,
       "funding": [
         {
@@ -11922,9 +11928,10 @@
           "url": "https://github.com/sponsors/ai"
         }
       ],
+      "license": "MIT",
       "dependencies": {
-        "escalade": "^3.1.1",
-        "picocolors": "^1.0.0"
+        "escalade": "^3.1.2",
+        "picocolors": "^1.0.1"
       },
       "bin": {
         "update-browserslist-db": "cli.js"
diff --git a/package.json b/package.json
index b35b076..ff1ce77 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "@jamshop/eleventy-plugin-esbuild": "WebComponentsGuide/eleventy-plugin-esbuild",
     "@oddbird/popover-polyfill": "^0.4.0",
     "@ungap/custom-elements": "^1.1.1",
-    "autoprefixer": "10.4.19",
+    "autoprefixer": "10.4.20",
     "cheerio": "1.0.0-rc.12",
     "construct-style-sheets-polyfill": "^3.1.0",
     "cssnano": "^6.0.1",