diff --git a/package-lock.json b/package-lock.json
index ab9dc116f..d00823474 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2241,9 +2241,9 @@
       }
     },
     "acorn": {
-      "version": "6.1.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
-      "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==",
+      "version": "7.3.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.3.1.tgz",
+      "integrity": "sha512-tLc0wSnatxAQHVHUapaHdz72pi9KUyHjq5KyHjGg9Y8Ifdc79pTh2XvI6I1/chZbnM7QtNKzh66ooDogPZSleA==",
       "dev": true
     },
     "acorn-dynamic-import": {
@@ -2260,6 +2260,14 @@
       "requires": {
         "acorn": "^6.0.1",
         "acorn-walk": "^6.0.1"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "6.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+          "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
+          "dev": true
+        }
       }
     },
     "acorn-jsx": {
@@ -6083,6 +6091,14 @@
         "acorn": "^6.0.7",
         "acorn-jsx": "^5.0.0",
         "eslint-visitor-keys": "^1.0.0"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "6.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+          "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
+          "dev": true
+        }
       }
     },
     "esprima": {
@@ -9985,6 +10001,14 @@
             "acorn": "^6.0.2",
             "acorn-jsx": "^5.0.0",
             "eslint-visitor-keys": "^1.0.0"
+          },
+          "dependencies": {
+            "acorn": {
+              "version": "6.4.1",
+              "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+              "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
+              "dev": true
+            }
           }
         },
         "has-flag": {
@@ -15735,6 +15759,12 @@
         "webpack-sources": "^1.3.0"
       },
       "dependencies": {
+        "acorn": {
+          "version": "6.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+          "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
+          "dev": true
+        },
         "eslint-scope": {
           "version": "4.0.3",
           "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-4.0.3.tgz",
@@ -15790,6 +15820,12 @@
         "ws": "^6.0.0"
       },
       "dependencies": {
+        "acorn": {
+          "version": "6.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+          "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
+          "dev": true
+        },
         "commander": {
           "version": "2.20.0",
           "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
diff --git a/package.json b/package.json
index 114191176..23a052066 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "@babel/runtime": "^7.4.5",
     "@std/esm": "^0.25.5",
     "@types/node": "^10.14.10",
-    "acorn": "^6.1.1",
+    "acorn": "^7.3.1",
     "ava": "^1.4.1",
     "babel-eslint": "^10.0.2",
     "babel-loader": "^8.0.6",