diff --git a/build/javascript/package-lock.json b/build/javascript/package-lock.json
index b0abe669d..949ca72d7 100644
--- a/build/javascript/package-lock.json
+++ b/build/javascript/package-lock.json
@@ -508,21 +508,21 @@
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     },
     "cssnano": {
-      "version": "5.0.9",
-      "resolved": "https://registry.npmjs.org/cssnano/-/cssnano-5.0.9.tgz",
-      "integrity": "sha512-Y4olTKBKsPKl5izpcXHRDiB/1rVdbIDM4qVXgEKBt466kYT42SEEsnCYOQFFXzEkUYV8pJNCII9JKzb8KfDk+g==",
+      "version": "5.0.10",
+      "resolved": "https://registry.npmjs.org/cssnano/-/cssnano-5.0.10.tgz",
+      "integrity": "sha512-YfNhVJJ04imffOpbPbXP2zjIoByf0m8E2c/s/HnvSvjXgzXMfgopVjAEGvxYOjkOpWuRQDg/OZFjO7WW94Ri8w==",
       "dev": true,
       "requires": {
-        "cssnano-preset-default": "^5.1.5",
+        "cssnano-preset-default": "^5.1.6",
         "is-resolvable": "^1.1.0",
         "lilconfig": "^2.0.3",
         "yaml": "^1.10.2"
       }
     },
     "cssnano-preset-default": {
-      "version": "5.1.5",
-      "resolved": "https://registry.npmjs.org/cssnano-preset-default/-/cssnano-preset-default-5.1.5.tgz",
-      "integrity": "sha512-fF00UI+d3PWkGfMd62geqmoUe5h+LOhGE2GH4Fqq3beNKdCU1LWwLUyIcu4/A72lWv0737cHey5zhhWw3rW0sA==",
+      "version": "5.1.6",
+      "resolved": "https://registry.npmjs.org/cssnano-preset-default/-/cssnano-preset-default-5.1.6.tgz",
+      "integrity": "sha512-X2nDeNGBXc0486oHjT2vSj+TdeyVsxRvJUxaOH50hOM6vSDLkKd0+59YXpSZRInJ4sNtBOykS4KsPfhdrU/35w==",
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@@ -534,7 +534,7 @@
         "postcss-discard-duplicates": "^5.0.1",
         "postcss-discard-empty": "^5.0.1",
         "postcss-discard-overridden": "^5.0.1",
-        "postcss-merge-longhand": "^5.0.2",
+        "postcss-merge-longhand": "^5.0.3",
         "postcss-merge-rules": "^5.0.2",
         "postcss-minify-font-values": "^5.0.1",
         "postcss-minify-gradients": "^5.0.3",
@@ -1438,9 +1438,9 @@
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     },
     "postcss-merge-longhand": {
-      "version": "5.0.2",
-      "resolved": "https://registry.npmjs.org/postcss-merge-longhand/-/postcss-merge-longhand-5.0.2.tgz",
-      "integrity": "sha512-BMlg9AXSI5G9TBT0Lo/H3PfUy63P84rVz3BjCFE9e9Y9RXQZD3+h3YO1kgTNsNJy7bBc1YQp8DmSnwLIW5VPcw==",
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/postcss-merge-longhand/-/postcss-merge-longhand-5.0.3.tgz",
+      "integrity": "sha512-kmB+1TjMTj/bPw6MCDUiqSA5e/x4fvLffiAdthra3a0m2/IjTrWsTmD3FdSskzUjEwkj5ZHBDEbv5dOcqD7CMQ==",
       "dev": true,
       "requires": {
         "css-color-names": "^1.0.1",
diff --git a/build/javascript/package.json b/build/javascript/package.json
index cf65ea912..570b26f58 100644
--- a/build/javascript/package.json
+++ b/build/javascript/package.json
@@ -14,7 +14,7 @@
     "video.js": "7.15.4"
   },
   "devDependencies": {
-    "cssnano": "^5.0.9",
+    "cssnano": "^5.0.10",
     "postcss": "^8.3.11",
     "postcss-cli": "^9.0.2"
   },