diff --git a/package-lock.json b/package-lock.json
index 1c75d92..0607f1d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -203,36 +203,47 @@
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-      "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-8.1.0.tgz",
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+      "resolved": "https://registry.npmjs.org/assert-helpers/-/assert-helpers-11.9.0.tgz",
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       "dev": true,
       "requires": {
-        "@bevry/ansi": "^2.1.0",
-        "editions": "^6.0.0",
-        "errlop": "^4.0.0"
+        "@bevry/ansi": "^6.7.0",
+        "editions": "^6.18.0",
+        "errlop": "^8.2.0"
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-          "resolved": "https://registry.npmjs.org/@bevry/ansi/-/ansi-2.1.0.tgz",
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-          "dev": true
+          "version": "6.7.0",
+          "resolved": "https://registry.npmjs.org/@bevry/ansi/-/ansi-6.7.0.tgz",
+          "integrity": "sha512-ApvNj7gXXCKsQLJhrAMwoZ+KZ3xMuJ7TS/f3O+IoS03Op2c0AUE9uR9gJfTlwaCzvwIe4XFr6Y7ET/TXnxe6ZA==",
+          "dev": true,
+          "requires": {
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-          "resolved": "https://registry.npmjs.org/editions/-/editions-6.1.0.tgz",
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+          "resolved": "https://registry.npmjs.org/editions/-/editions-6.19.0.tgz",
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           "dev": true,
           "requires": {
-            "errlop": "^4.0.0",
-            "version-range": "^1.0.0"
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         "errlop": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/errlop/-/errlop-4.1.0.tgz",
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+          "version": "8.2.0",
+          "resolved": "https://registry.npmjs.org/errlop/-/errlop-8.2.0.tgz",
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+          "dev": true,
+          "requires": {
+            "editions": "^6.18.0"
+          }
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+        "version-range": {
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+          "resolved": "https://registry.npmjs.org/version-range/-/version-range-4.11.0.tgz",
+          "integrity": "sha512-h6ZOpIbN1Dk6hfDAmni/lOMncSUcIU1/6XsDc54kQe9/lMzzzv53ovpTr0CbNDJz2GLbmr/yyrQjD8vntyxXxg==",
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diff --git a/package.json b/package.json
index 576dfce..520b3f9 100644
--- a/package.json
+++ b/package.json
@@ -90,7 +90,7 @@
   },
   "devDependencies": {
     "@bevry/update-contributors": "^1.15.0",
-    "assert-helpers": "^8.1.0",
+    "assert-helpers": "^11.9.0",
     "eslint": "^7.6.0",
     "eslint-config-bevry": "^3.18.0",
     "eslint-config-prettier": "^6.11.0",