diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 20c37976a4..856c6314e8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -72,11 +72,11 @@ jobs:
 
         - name: Node.js 8.x
           node-version: "8.17"
-          npm-i: mocha@7.2.0
+          npm-i: mocha@7.2.0 nyc@14.1.1
 
         - name: Node.js 9.x
           node-version: "9.11"
-          npm-i: mocha@7.2.0
+          npm-i: mocha@7.2.0 nyc@14.1.1
 
         - name: Node.js 10.x
           node-version: "10.24"
diff --git a/appveyor.yml b/appveyor.yml
index e9a6e6d57e..88e81dfeee 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -70,12 +70,12 @@ install:
       # nyc for test coverage
       # - use 10.3.2 for Node.js < 4
       # - use 11.9.0 for Node.js < 6
-      # - use 14.1.1 for Node.js < 8
+      # - use 14.1.1 for Node.js < 10
       if ([int]$env:nodejs_version.split(".")[0] -lt 4) {
         npm install --silent --save-dev nyc@10.3.2
       } elseif ([int]$env:nodejs_version.split(".")[0] -lt 6) {
         npm install --silent --save-dev nyc@11.9.0
-      } elseif ([int]$env:nodejs_version.split(".")[0] -lt 8) {
+      } elseif ([int]$env:nodejs_version.split(".")[0] -lt 10) {
         npm install --silent --save-dev nyc@14.1.1
       }
   - ps: |