diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index af3390a..687223f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -99,9 +99,11 @@ jobs:
 
         - name: Node.js 12.x
           node-version: "12.22"
+          npm-i: mocha@9.2.2
 
         - name: Node.js 13.x
           node-version: "13.14"
+          npm-i: mocha@9.2.2
 
         - name: Node.js 14.x
           node-version: "14.21"
diff --git a/package.json b/package.json
index 64fa5fe..3c5ae58 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "eslint-plugin-node": "11.1.0",
     "eslint-plugin-promise": "6.1.1",
     "eslint-plugin-standard": "4.1.0",
-    "mocha": "9.2.2",
+    "mocha": "10.2.0",
     "nyc": "15.1.0"
   },
   "files": [