diff --git a/package-lock.json b/package-lock.json
index 68a3c2a..0752bb9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -100,13 +100,13 @@
       "dev": true
     },
     "autoprefixer": {
-      "version": "10.2.0",
-      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-10.2.0.tgz",
-      "integrity": "sha512-5SdPoK2Q3rxVh4xC8GKdy772KbEESdl2SyJADCw5FMUrd5eNtpOTLo7oCFMEKvK86zQdvsIVTYk93E8dAfRy6g==",
+      "version": "10.2.3",
+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-10.2.3.tgz",
+      "integrity": "sha512-vlz+iv+EnLkVaTgX8wApfYzmK3LUfK8Z9XAnmflzxMy/+oFuNK8fVGQV79SOpBv4jxk2YQJimw4hXIKZ29570A==",
       "dev": true,
       "requires": {
         "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",
@@ -180,9 +180,9 @@
       "dev": true
     },
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-      "version": "1.0.30001173",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001173.tgz",
-      "integrity": "sha512-R3aqmjrICdGCTAnSXtNyvWYMK3YtV5jwudbq0T7nN9k4kmE4CBuwPqyJ+KBzepSTh0huivV2gLbSMEzTTmfeYw==",
+      "version": "1.0.30001178",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001178.tgz",
+      "integrity": "sha512-VtdZLC0vsXykKni8Uztx45xynytOi71Ufx9T8kHptSw9AL4dpqailUJJHavttuzUe1KYuBYtChiWv+BAb7mPmQ==",
       "dev": true
     },
     "chalk": {
@@ -355,9 +355,9 @@
       }
     },
     "electron-to-chromium": {
-      "version": "1.3.634",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.634.tgz",
-      "integrity": "sha512-QPrWNYeE/A0xRvl/QP3E0nkaEvYUvH3gM04ZWYtIa6QlSpEetRlRI1xvQ7hiMIySHHEV+mwDSX8Kj4YZY6ZQAw==",
+      "version": "1.3.642",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.642.tgz",
+      "integrity": "sha512-cev+jOrz/Zm1i+Yh334Hed6lQVOkkemk2wRozfMF4MtTR7pxf3r3L5Rbd7uX1zMcEqVJ7alJBnJL7+JffkC6FQ==",
       "dev": true
     },
     "emoji-regex": {
@@ -859,9 +859,9 @@
       "dev": true
     },
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-      "version": "1.1.69",
-      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.69.tgz",
-      "integrity": "sha512-DGIjo79VDEyAnRlfSqYTsy+yoHd2IOjJiKUozD2MV2D85Vso6Bug56mb9tT/fY5Urt0iqk01H7x+llAruDR2zA==",
+      "version": "1.1.70",
+      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.70.tgz",
+      "integrity": "sha512-Slf2s69+2/uAD79pVVQo8uSiC34+g8GWY8UH2Qtqv34ZfhYrxpYpfzs9Js9d6O0mbDmALuxaTlplnBTnSELcrw==",
       "dev": true
     },
     "normalize-package-data": {
@@ -1003,9 +1003,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.2.2",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.2.tgz",
-      "integrity": "sha512-HM1NDNWLgglJPQQMNwvLxgH2KcrKZklKLi/xXYIOaqQB57p/pDWEJNS83PVICYsn1Dg/9C26TiejNr422/ePaQ==",
+      "version": "8.2.4",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.4.tgz",
+      "integrity": "sha512-kRFftRoExRVXZlwUuay9iC824qmXPcQQVzAjbCCgjpXnkdMCJYBu2gTwAaFBzv8ewND6O8xFb3aELmEkh9zTzg==",
       "dev": true,
       "requires": {
         "colorette": "^1.2.1",
@@ -1192,9 +1192,9 @@
       "dev": true
     },
     "sass": {
-      "version": "1.32.0",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.32.0.tgz",
-      "integrity": "sha512-fhyqEbMIycQA4blrz/C0pYhv2o4x2y6FYYAH0CshBw3DXh5D5wyERgxw0ptdau1orc/GhNrhF7DFN2etyOCEng==",
+      "version": "1.32.4",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.32.4.tgz",
+      "integrity": "sha512-N0BT0PI/t3+gD8jKa83zJJUb7ssfQnRRfqN+GIErokW6U4guBpfYl8qYB+OFLEho+QvnV5ZH1R9qhUC/Z2Ch9w==",
       "dev": true,
       "requires": {
         "chokidar": ">=2.0.0 <4.0.0"
diff --git a/package.json b/package.json
index 44a8c33..9f12dce 100644
--- a/package.json
+++ b/package.json
@@ -18,12 +18,12 @@
   "author": "Alan Orth",
   "license": "CC-BY-3.0",
   "devDependencies": {
-    "autoprefixer": "^10.2.0",
+    "autoprefixer": "^10.2.3",
     "bootstrap": "^5.0.0-beta1",
     "clean-css-cli": "^4.3.0",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.2.2",
+    "postcss": "^8.2.4",
     "postcss-cli": "^8.3.1",
-    "sass": "^1.32.0"
+    "sass": "^1.32.4"
   }
 }