diff --git a/services/spelling/package-lock.json b/services/spelling/package-lock.json
index ba233522f9..e4c4d55e57 100644
--- a/services/spelling/package-lock.json
+++ b/services/spelling/package-lock.json
@@ -1340,7 +1340,8 @@
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+      "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
+      "dev": true
     },
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@@ -1560,6 +1561,7 @@
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+      "dev": true,
       "requires": {
         "assertion-error": "^1.1.0",
         "check-error": "^1.0.2",
@@ -1588,7 +1590,8 @@
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       "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.2.tgz",
-      "integrity": "sha1-V00xLt2Iu13YkS6Sht1sCu1KrII="
+      "integrity": "sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=",
+      "dev": true
     },
     "chokidar": {
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@@ -1819,6 +1822,7 @@
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+      "dev": true,
       "requires": {
         "type-detect": "^4.0.0"
       }
@@ -3089,7 +3093,8 @@
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       "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.0.tgz",
-      "integrity": "sha1-6td0q+5y4gQJQzoGY2YCPdaIekE="
+      "integrity": "sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=",
+      "dev": true
     },
     "get-stdin": {
       "version": "6.0.0",
@@ -4958,7 +4963,8 @@
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       "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.0.tgz",
-      "integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA="
+      "integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA=",
+      "dev": true
     },
     "performance-now": {
       "version": "2.1.0",
@@ -5688,7 +5694,8 @@
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       "resolved": "https://registry.npmjs.org/require-like/-/require-like-0.1.2.tgz",
-      "integrity": "sha1-rW8wwTvs15cBDEaK+ndcDAprR/o="
+      "integrity": "sha1-rW8wwTvs15cBDEaK+ndcDAprR/o=",
+      "dev": true
     },
     "require-main-filename": {
       "version": "2.0.0",
@@ -5808,6 +5815,7 @@
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       "resolved": "https://registry.npmjs.org/sandboxed-module/-/sandboxed-module-2.0.4.tgz",
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+      "dev": true,
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@@ -6520,7 +6528,8 @@
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       "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
-      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g=="
+      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
+      "dev": true
     },
     "type-fest": {
       "version": "0.8.1",
diff --git a/services/spelling/package.json b/services/spelling/package.json
index 28e6d9699f..7448d57811 100644
--- a/services/spelling/package.json
+++ b/services/spelling/package.json
@@ -40,7 +40,7 @@
   },
   "devDependencies": {
     "bunyan": "^1.8.12",
-    "chai": "",
+    "chai": "4.2.0",
     "eslint": "^6.8.0",
     "eslint-config-prettier": "^6.10.0",
     "eslint-config-standard": "^14.1.0",
@@ -55,7 +55,7 @@
     "mocha": "^7.1.1",
     "prettier": "^2.0.0",
     "prettier-eslint-cli": "^5.0.0",
-    "sandboxed-module": "",
+    "sandboxed-module": "2.0.4",
     "sinon": "^9.0.1"
   }
 }