diff --git a/build/javascript/package-lock.json b/build/javascript/package-lock.json
index 109334d69..ccf784f9f 100644
--- a/build/javascript/package-lock.json
+++ b/build/javascript/package-lock.json
@@ -21,7 +21,7 @@
       "devDependencies": {
         "cssnano": "^5.0.12",
         "postcss": "^8.4.4",
-        "postcss-cli": "^9.0.2"
+        "postcss-cli": "^9.1.0"
       }
     },
     "node_modules/@babel/runtime": {
@@ -1593,9 +1593,9 @@
       }
     },
     "node_modules/postcss-cli": {
-      "version": "9.0.2",
-      "resolved": "https://registry.npmjs.org/postcss-cli/-/postcss-cli-9.0.2.tgz",
-      "integrity": "sha512-08Wujoy7YGhKCFrGsT9OXqWjtHlGQ+JmyaD/4McjCiwor2IUTRVzXiJd+xmLTGdSWjceS6/TePaJQwBlkVWHiw==",
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/postcss-cli/-/postcss-cli-9.1.0.tgz",
+      "integrity": "sha512-zvDN2ADbWfza42sAnj+O2uUWyL0eRL1V+6giM2vi4SqTR3gTYy8XzcpfwccayF2szcUif0HMmXiEaDv9iEhcpw==",
       "dev": true,
       "dependencies": {
         "chokidar": "^3.3.0",
@@ -4326,9 +4326,9 @@
       }
     },
     "postcss-cli": {
-      "version": "9.0.2",
-      "resolved": "https://registry.npmjs.org/postcss-cli/-/postcss-cli-9.0.2.tgz",
-      "integrity": "sha512-08Wujoy7YGhKCFrGsT9OXqWjtHlGQ+JmyaD/4McjCiwor2IUTRVzXiJd+xmLTGdSWjceS6/TePaJQwBlkVWHiw==",
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/postcss-cli/-/postcss-cli-9.1.0.tgz",
+      "integrity": "sha512-zvDN2ADbWfza42sAnj+O2uUWyL0eRL1V+6giM2vi4SqTR3gTYy8XzcpfwccayF2szcUif0HMmXiEaDv9iEhcpw==",
       "dev": true,
       "requires": {
         "chokidar": "^3.3.0",
diff --git a/build/javascript/package.json b/build/javascript/package.json
index 5ba8ae077..554fd04af 100644
--- a/build/javascript/package.json
+++ b/build/javascript/package.json
@@ -16,7 +16,7 @@
   "devDependencies": {
     "cssnano": "^5.0.12",
     "postcss": "^8.4.4",
-    "postcss-cli": "^9.0.2"
+    "postcss-cli": "^9.1.0"
   },
   "snowpack": {
     "install": [