diff --git a/packages/google-cloud-texttospeech/package.json b/packages/google-cloud-texttospeech/package.json
index ff4cf38325e..b78c8c6e869 100644
--- a/packages/google-cloud-texttospeech/package.json
+++ b/packages/google-cloud-texttospeech/package.json
@@ -58,7 +58,7 @@
     "jsdoc-fresh": "^1.0.1",
     "jsdoc-region-tag": "^1.0.2",
     "linkinator": "^1.5.0",
-    "mocha": "^6.1.4",
+    "mocha": "^7.0.0",
     "null-loader": "^3.0.0",
     "pack-n-play": "^1.0.0-2",
     "power-assert": "^1.4.4",
diff --git a/packages/google-cloud-texttospeech/samples/package.json b/packages/google-cloud-texttospeech/samples/package.json
index 3ba46a6b6bf..a4e461e9b5e 100644
--- a/packages/google-cloud-texttospeech/samples/package.json
+++ b/packages/google-cloud-texttospeech/samples/package.json
@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   },
   "optionalDependencies": {
     "canvas": "^2.0.0"