diff --git a/baselines/bigquery-storage/package.json b/baselines/bigquery-storage/package.json
index 77f779798..d18645471 100644
--- a/baselines/bigquery-storage/package.json
+++ b/baselines/bigquery-storage/package.json
@@ -39,11 +39,11 @@
     "pack-n-play": "^1.0.0-2",
     "null-loader": "^3.0.0",
     "ts-loader": "^6.2.1",
-    "typescript": "~3.7.5",
+    "typescript": "~3.8.3",
     "webpack": "^4.42.0",
     "webpack-cli": "^3.3.11"
   },
   "engines": {
-    "node": ">=8.13.0"
+    "node": ">=10.0.0"
   }
 }
diff --git a/baselines/disable-packing-test/package.json b/baselines/disable-packing-test/package.json
index 86b014f72..9e8745711 100644
--- a/baselines/disable-packing-test/package.json
+++ b/baselines/disable-packing-test/package.json
@@ -39,11 +39,11 @@
     "pack-n-play": "^1.0.0-2",
     "null-loader": "^3.0.0",
     "ts-loader": "^6.2.1",
-    "typescript": "~3.7.5",
+    "typescript": "~3.8.3",
     "webpack": "^4.42.0",
     "webpack-cli": "^3.3.11"
   },
   "engines": {
-    "node": ">=8.13.0"
+    "node": ">=10.0.0"
   }
 }
diff --git a/baselines/dlp/package.json b/baselines/dlp/package.json
index da4a5900d..9f9d75229 100644
--- a/baselines/dlp/package.json
+++ b/baselines/dlp/package.json
@@ -39,11 +39,11 @@
     "pack-n-play": "^1.0.0-2",
     "null-loader": "^3.0.0",
     "ts-loader": "^6.2.1",
-    "typescript": "~3.7.5",
+    "typescript": "~3.8.3",
     "webpack": "^4.42.0",
     "webpack-cli": "^3.3.11"
   },
   "engines": {
-    "node": ">=8.13.0"
+    "node": ">=10.0.0"
   }
 }
diff --git a/baselines/kms/package.json b/baselines/kms/package.json
index 976cd3001..dd30549be 100644
--- a/baselines/kms/package.json
+++ b/baselines/kms/package.json
@@ -39,11 +39,11 @@
     "pack-n-play": "^1.0.0-2",
     "null-loader": "^3.0.0",
     "ts-loader": "^6.2.1",
-    "typescript": "~3.7.5",
+    "typescript": "~3.8.3",
     "webpack": "^4.42.0",
     "webpack-cli": "^3.3.11"
   },
   "engines": {
-    "node": ">=8.13.0"
+    "node": ">=10.0.0"
   }
 }
diff --git a/baselines/logging/package.json b/baselines/logging/package.json
index c62614821..8245cabdb 100644
--- a/baselines/logging/package.json
+++ b/baselines/logging/package.json
@@ -39,11 +39,11 @@
     "pack-n-play": "^1.0.0-2",
     "null-loader": "^3.0.0",
     "ts-loader": "^6.2.1",
-    "typescript": "~3.7.5",
+    "typescript": "~3.8.3",
     "webpack": "^4.42.0",
     "webpack-cli": "^3.3.11"
   },
   "engines": {
-    "node": ">=8.13.0"
+    "node": ">=10.0.0"
   }
 }
diff --git a/baselines/monitoring/package.json b/baselines/monitoring/package.json
index b7b2ad377..2f46642f0 100644
--- a/baselines/monitoring/package.json
+++ b/baselines/monitoring/package.json
@@ -39,11 +39,11 @@
     "pack-n-play": "^1.0.0-2",
     "null-loader": "^3.0.0",
     "ts-loader": "^6.2.1",
-    "typescript": "~3.7.5",
+    "typescript": "~3.8.3",
     "webpack": "^4.42.0",
     "webpack-cli": "^3.3.11"
   },
   "engines": {
-    "node": ">=8.13.0"
+    "node": ">=10.0.0"
   }
 }
diff --git a/baselines/redis/package.json b/baselines/redis/package.json
index e23292252..0d92c73a2 100644
--- a/baselines/redis/package.json
+++ b/baselines/redis/package.json
@@ -39,11 +39,11 @@
     "pack-n-play": "^1.0.0-2",
     "null-loader": "^3.0.0",
     "ts-loader": "^6.2.1",
-    "typescript": "~3.7.5",
+    "typescript": "~3.8.3",
     "webpack": "^4.42.0",
     "webpack-cli": "^3.3.11"
   },
   "engines": {
-    "node": ">=8.13.0"
+    "node": ">=10.0.0"
   }
 }
diff --git a/baselines/showcase/package.json b/baselines/showcase/package.json
index 86b014f72..9e8745711 100644
--- a/baselines/showcase/package.json
+++ b/baselines/showcase/package.json
@@ -39,11 +39,11 @@
     "pack-n-play": "^1.0.0-2",
     "null-loader": "^3.0.0",
     "ts-loader": "^6.2.1",
-    "typescript": "~3.7.5",
+    "typescript": "~3.8.3",
     "webpack": "^4.42.0",
     "webpack-cli": "^3.3.11"
   },
   "engines": {
-    "node": ">=8.13.0"
+    "node": ">=10.0.0"
   }
 }
diff --git a/baselines/texttospeech/package.json b/baselines/texttospeech/package.json
index 2ddfe0be8..61c4b9c46 100644
--- a/baselines/texttospeech/package.json
+++ b/baselines/texttospeech/package.json
@@ -39,11 +39,11 @@
     "pack-n-play": "^1.0.0-2",
     "null-loader": "^3.0.0",
     "ts-loader": "^6.2.1",
-    "typescript": "~3.7.5",
+    "typescript": "~3.8.3",
     "webpack": "^4.42.0",
     "webpack-cli": "^3.3.11"
   },
   "engines": {
-    "node": ">=8.13.0"
+    "node": ">=10.0.0"
   }
 }
diff --git a/baselines/translate/package.json b/baselines/translate/package.json
index 9b8b5bec5..2b4313c84 100644
--- a/baselines/translate/package.json
+++ b/baselines/translate/package.json
@@ -39,11 +39,11 @@
     "pack-n-play": "^1.0.0-2",
     "null-loader": "^3.0.0",
     "ts-loader": "^6.2.1",
-    "typescript": "~3.7.5",
+    "typescript": "~3.8.3",
     "webpack": "^4.42.0",
     "webpack-cli": "^3.3.11"
   },
   "engines": {
-    "node": ">=8.13.0"
+    "node": ">=10.0.0"
   }
 }
diff --git a/package.json b/package.json
index 6c57b0431..0242d1285 100644
--- a/package.json
+++ b/package.json
@@ -52,10 +52,10 @@
   },
   "devDependencies": {
     "@types/fs-extra": "^8.1.0",
-    "@types/get-stdin": "^5.0.1",
-    "@types/mocha": "^7.0.0",
+    "@types/get-stdin": "^7.0.0",
+    "@types/mocha": "^7.0.2",
     "@types/ncp": "^2.0.3",
-    "@types/node": "^11.15.7",
+    "@types/node": "^13.9.2",
     "@types/nunjucks": "^3.1.3",
     "@types/object-hash": "^1.3.1",
     "@types/rimraf": "^2.0.3",
@@ -65,12 +65,12 @@
     "codecov": "^3.6.5",
     "espower-typescript": "^9.0.2",
     "gts": "^1.1.2",
-    "mocha": "^7.0.0",
+    "mocha": "^7.1.1",
     "ncp": "^2.0.0",
     "rimraf": "^3.0.2",
-    "typescript": "~3.7.5"
+    "typescript": "~3.8.3"
   },
   "engines": {
-    "node": ">=8.13.0"
+    "node": ">=10.0.0"
   }
 }
diff --git a/templates/typescript_gapic/package.json b/templates/typescript_gapic/package.json
index 9fec1c447..86ae7da37 100644
--- a/templates/typescript_gapic/package.json
+++ b/templates/typescript_gapic/package.json
@@ -39,11 +39,11 @@
     "pack-n-play": "^1.0.0-2",
     "null-loader": "^3.0.0",
     "ts-loader": "^6.2.1",
-    "typescript": "~3.7.5",
+    "typescript": "~3.8.3",
     "webpack": "^4.42.0",
     "webpack-cli": "^3.3.11"
   },
   "engines": {
-    "node": ">=8.13.0"
+    "node": ">=10.0.0"
   }
 }