diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e965ccd..962fdeb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -80,9 +80,11 @@ jobs:
 
         - name: Node.js 8.x
           node-version: "8.14"
+          npm-i: mocha@7.2.0
 
         - name: Node.js 9.x
           node-version: "9.11"
+          npm-i: mocha@7.2.0
 
         - name: Node.js 10.x
           node-version: "10.24"
diff --git a/package.json b/package.json
index 2f10a27..fbb8d5f 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "eslint-plugin-promise": "4.3.1",
     "eslint-plugin-standard": "4.0.0",
     "istanbul": "0.4.5",
-    "mocha": "7.2.0"
+    "mocha": "8.4.0"
   },
   "files": [
     "LICENSE",