diff --git a/package-lock.json b/package-lock.json
index 65cfdbc43..da5155a1f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
-        "jsdom": "20.0.2"
+        "jsdom": "20.0.3"
       },
       "devDependencies": {
         "@blockly/block-test": "^3.0.0",
@@ -2037,9 +2037,9 @@
       }
     },
     "node_modules/acorn": {
-      "version": "8.8.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.8.0.tgz",
-      "integrity": "sha512-QOxyigPVrpZ2GXT+PFyZTl6TtOFc5egxHIP9IlQ+RbupQuX4RkT/Bee4/kQuC02Xkzg84JcT7oLYtDIQxp+v7w==",
+      "version": "8.8.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.8.1.tgz",
+      "integrity": "sha512-7zFpHzhnqYKrkYdUjF1HI1bzd0VygEGX8lFk4k5zVMqHEoES+P+7TKI+EvLO9WVMJ8eekdO0aDEK044xTXwPPA==",
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -8561,17 +8561,17 @@
       }
     },
     "node_modules/jsdom": {
-      "version": "20.0.2",
-      "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-20.0.2.tgz",
-      "integrity": "sha512-AHWa+QO/cgRg4N+DsmHg1Y7xnz+8KU3EflM0LVDTdmrYOc1WWTSkOjtpUveQH+1Bqd5rtcVnb/DuxV/UjDO4rA==",
+      "version": "20.0.3",
+      "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-20.0.3.tgz",
+      "integrity": "sha512-SYhBvTh89tTfCD/CRdSOm13mOBa42iTaTyfyEWBdKcGdPxPtLFBXuHR8XHb33YNYaP+lLbmSvBTsnoesCNJEsQ==",
       "dependencies": {
         "abab": "^2.0.6",
-        "acorn": "^8.8.0",
+        "acorn": "^8.8.1",
         "acorn-globals": "^7.0.0",
         "cssom": "^0.5.0",
         "cssstyle": "^2.3.0",
         "data-urls": "^3.0.2",
-        "decimal.js": "^10.4.1",
+        "decimal.js": "^10.4.2",
         "domexception": "^4.0.0",
         "escodegen": "^2.0.0",
         "form-data": "^4.0.0",
@@ -8584,12 +8584,12 @@
         "saxes": "^6.0.0",
         "symbol-tree": "^3.2.4",
         "tough-cookie": "^4.1.2",
-        "w3c-xmlserializer": "^3.0.0",
+        "w3c-xmlserializer": "^4.0.0",
         "webidl-conversions": "^7.0.0",
         "whatwg-encoding": "^2.0.0",
         "whatwg-mimetype": "^3.0.0",
         "whatwg-url": "^11.0.0",
-        "ws": "^8.9.0",
+        "ws": "^8.11.0",
         "xml-name-validator": "^4.0.0"
       },
       "engines": {
@@ -13895,14 +13895,14 @@
       }
     },
     "node_modules/w3c-xmlserializer": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-3.0.0.tgz",
-      "integrity": "sha512-3WFqGEgSXIyGhOmAFtlicJNMjEps8b1MG31NCA0/vOF9+nKMUW1ckhi9cnNHmf88Rzw5V+dwIwsm2C7X8k9aQg==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-4.0.0.tgz",
+      "integrity": "sha512-d+BFHzbiCx6zGfz0HyQ6Rg69w9k19nviJspaj4yNscGjrHu94sVP+aRm75yEbCh+r2/yR+7q6hux9LVtbuTGBw==",
       "dependencies": {
         "xml-name-validator": "^4.0.0"
       },
       "engines": {
-        "node": ">=12"
+        "node": ">=14"
       }
     },
     "node_modules/wcwidth": {
@@ -16231,9 +16231,9 @@
       }
     },
     "acorn": {
-      "version": "8.8.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.8.0.tgz",
-      "integrity": "sha512-QOxyigPVrpZ2GXT+PFyZTl6TtOFc5egxHIP9IlQ+RbupQuX4RkT/Bee4/kQuC02Xkzg84JcT7oLYtDIQxp+v7w=="
+      "version": "8.8.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.8.1.tgz",
+      "integrity": "sha512-7zFpHzhnqYKrkYdUjF1HI1bzd0VygEGX8lFk4k5zVMqHEoES+P+7TKI+EvLO9WVMJ8eekdO0aDEK044xTXwPPA=="
     },
     "acorn-globals": {
       "version": "7.0.1",
@@ -21408,17 +21408,17 @@
       "dev": true
     },
     "jsdom": {
-      "version": "20.0.2",
-      "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-20.0.2.tgz",
-      "integrity": "sha512-AHWa+QO/cgRg4N+DsmHg1Y7xnz+8KU3EflM0LVDTdmrYOc1WWTSkOjtpUveQH+1Bqd5rtcVnb/DuxV/UjDO4rA==",
+      "version": "20.0.3",
+      "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-20.0.3.tgz",
+      "integrity": "sha512-SYhBvTh89tTfCD/CRdSOm13mOBa42iTaTyfyEWBdKcGdPxPtLFBXuHR8XHb33YNYaP+lLbmSvBTsnoesCNJEsQ==",
       "requires": {
         "abab": "^2.0.6",
-        "acorn": "^8.8.0",
+        "acorn": "^8.8.1",
         "acorn-globals": "^7.0.0",
         "cssom": "^0.5.0",
         "cssstyle": "^2.3.0",
         "data-urls": "^3.0.2",
-        "decimal.js": "^10.4.1",
+        "decimal.js": "^10.4.2",
         "domexception": "^4.0.0",
         "escodegen": "^2.0.0",
         "form-data": "^4.0.0",
@@ -21431,12 +21431,12 @@
         "saxes": "^6.0.0",
         "symbol-tree": "^3.2.4",
         "tough-cookie": "^4.1.2",
-        "w3c-xmlserializer": "^3.0.0",
+        "w3c-xmlserializer": "^4.0.0",
         "webidl-conversions": "^7.0.0",
         "whatwg-encoding": "^2.0.0",
         "whatwg-mimetype": "^3.0.0",
         "whatwg-url": "^11.0.0",
-        "ws": "^8.9.0",
+        "ws": "^8.11.0",
         "xml-name-validator": "^4.0.0"
       },
       "dependencies": {
@@ -25732,9 +25732,9 @@
       }
     },
     "w3c-xmlserializer": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-3.0.0.tgz",
-      "integrity": "sha512-3WFqGEgSXIyGhOmAFtlicJNMjEps8b1MG31NCA0/vOF9+nKMUW1ckhi9cnNHmf88Rzw5V+dwIwsm2C7X8k9aQg==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-4.0.0.tgz",
+      "integrity": "sha512-d+BFHzbiCx6zGfz0HyQ6Rg69w9k19nviJspaj4yNscGjrHu94sVP+aRm75yEbCh+r2/yR+7q6hux9LVtbuTGBw==",
       "requires": {
         "xml-name-validator": "^4.0.0"
       }
diff --git a/package.json b/package.json
index af0d00c9c..81f7f661f 100644
--- a/package.json
+++ b/package.json
@@ -114,6 +114,6 @@
     "yargs": "^17.2.1"
   },
   "dependencies": {
-    "jsdom": "20.0.2"
+    "jsdom": "20.0.3"
   }
 }