diff --git a/e2e-test-server/package.json b/e2e-test-server/package.json
index 834b25cf..b2aa19df 100644
--- a/e2e-test-server/package.json
+++ b/e2e-test-server/package.json
@@ -31,7 +31,7 @@
     "@types/node": "18.19.130",
     "esbuild": "0.27.2",
     "gts": "6.0.2",
-    "typescript": "5.0.4"
+    "typescript": "5.9.3"
   },
   "dependencies": {
     "@google-cloud/functions-framework": "^3.1.3",
diff --git a/package-lock.json b/package-lock.json
index 65405b80..ed2eeb89 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -45,7 +45,7 @@
         "@types/node": "18.19.130",
         "esbuild": "0.27.2",
         "gts": "6.0.2",
-        "typescript": "5.0.4"
+        "typescript": "5.9.3"
       },
       "engines": {
         "node": ">=18"
@@ -68,20 +68,6 @@
         "@opentelemetry/api": "^1.0.0"
       }
     },
-    "e2e-test-server/node_modules/typescript": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.0.4.tgz",
-      "integrity": "sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "bin": {
-        "tsc": "bin/tsc",
-        "tsserver": "bin/tsserver"
-      },
-      "engines": {
-        "node": ">=12.20"
-      }
-    },
     "node_modules/@babel/code-frame": {
       "version": "7.27.1",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.27.1.tgz",
@@ -17291,7 +17277,7 @@
         "sinon": "17.0.2",
         "snap-shot-it": "7.9.10",
         "ts-mocha": "11.1.0",
-        "typescript": "5.0.4"
+        "typescript": "5.9.3"
       },
       "engines": {
         "node": ">=18"
@@ -17336,20 +17322,6 @@
         "@opentelemetry/api": ">=1.3.0 <1.10.0"
       }
     },
-    "packages/opentelemetry-cloud-monitoring-exporter/node_modules/typescript": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.0.4.tgz",
-      "integrity": "sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "bin": {
-        "tsc": "bin/tsc",
-        "tsserver": "bin/tsserver"
-      },
-      "engines": {
-        "node": ">=12.20"
-      }
-    },
     "packages/opentelemetry-cloud-trace-exporter": {
       "name": "@google-cloud/opentelemetry-cloud-trace-exporter",
       "version": "3.0.0",
@@ -17377,7 +17349,7 @@
         "protobufjs-cli": "1.2.0",
         "sinon": "17.0.2",
         "ts-mocha": "11.1.0",
-        "typescript": "5.0.4"
+        "typescript": "5.9.3"
       },
       "engines": {
         "node": ">=18"
@@ -17440,20 +17412,6 @@
         "@opentelemetry/api": ">=1.3.0 <1.10.0"
       }
     },
-    "packages/opentelemetry-cloud-trace-exporter/node_modules/typescript": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.0.4.tgz",
-      "integrity": "sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "bin": {
-        "tsc": "bin/tsc",
-        "tsserver": "bin/tsserver"
-      },
-      "engines": {
-        "node": ">=12.20"
-      }
-    },
     "packages/opentelemetry-cloud-trace-propagator": {
       "name": "@google-cloud/opentelemetry-cloud-trace-propagator",
       "version": "0.21.0",
@@ -17471,7 +17429,7 @@
         "mocha": "11.7.2",
         "nyc": "17.1.0",
         "ts-mocha": "11.1.0",
-        "typescript": "5.0.4"
+        "typescript": "5.9.3"
       },
       "engines": {
         "node": ">=18"
@@ -17497,20 +17455,6 @@
         "@opentelemetry/api": ">=1.0.0 <1.10.0"
       }
     },
-    "packages/opentelemetry-cloud-trace-propagator/node_modules/typescript": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.0.4.tgz",
-      "integrity": "sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "bin": {
-        "tsc": "bin/tsc",
-        "tsserver": "bin/tsserver"
-      },
-      "engines": {
-        "node": ">=12.20"
-      }
-    },
     "packages/opentelemetry-resource-util": {
       "name": "@google-cloud/opentelemetry-resource-util",
       "version": "3.0.0",
@@ -17535,7 +17479,7 @@
         "sinon": "17.0.2",
         "snap-shot-it": "7.9.10",
         "ts-mocha": "11.1.0",
-        "typescript": "5.0.4"
+        "typescript": "5.9.3"
       },
       "engines": {
         "node": ">=18"
@@ -17578,20 +17522,6 @@
         "@opentelemetry/api": ">=1.3.0 <1.10.0"
       }
     },
-    "packages/opentelemetry-resource-util/node_modules/typescript": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.0.4.tgz",
-      "integrity": "sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "bin": {
-        "tsc": "bin/tsc",
-        "tsserver": "bin/tsserver"
-      },
-      "engines": {
-        "node": ">=12.20"
-      }
-    },
     "samples/metrics": {
       "name": "nodejs-example-google-cloud-monitoring",
       "version": "0.16.0",
@@ -17655,7 +17585,7 @@
       "devDependencies": {
         "gts": "6.0.2",
         "ts-node": "10.9.2",
-        "typescript": "5.0.4"
+        "typescript": "5.9.3"
       },
       "engines": {
         "node": ">=18"
@@ -17692,20 +17622,6 @@
         "@opentelemetry/api": ">=1.3.0 <1.10.0"
       }
     },
-    "samples/otlpmetricexport/node_modules/typescript": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.0.4.tgz",
-      "integrity": "sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "bin": {
-        "tsc": "bin/tsc",
-        "tsserver": "bin/tsserver"
-      },
-      "engines": {
-        "node": ">=12.20"
-      }
-    },
     "samples/otlptraceexport": {
       "name": "otlp-trace-export",
       "version": "0.1.0",
@@ -17725,7 +17641,7 @@
       "devDependencies": {
         "gts": "6.0.2",
         "ts-node": "10.9.2",
-        "typescript": "5.0.4"
+        "typescript": "5.9.3"
       },
       "engines": {
         "node": ">=18"
@@ -17762,20 +17678,6 @@
         "@opentelemetry/api": ">=1.3.0 <1.10.0"
       }
     },
-    "samples/otlptraceexport/node_modules/typescript": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.0.4.tgz",
-      "integrity": "sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "bin": {
-        "tsc": "bin/tsc",
-        "tsserver": "bin/tsserver"
-      },
-      "engines": {
-        "node": ">=12.20"
-      }
-    },
     "samples/trace": {
       "name": "nodejs-example-google-cloud-trace",
       "version": "0.16.0",
diff --git a/packages/opentelemetry-cloud-monitoring-exporter/package.json b/packages/opentelemetry-cloud-monitoring-exporter/package.json
index 871de32e..6ffcf597 100644
--- a/packages/opentelemetry-cloud-monitoring-exporter/package.json
+++ b/packages/opentelemetry-cloud-monitoring-exporter/package.json
@@ -60,7 +60,7 @@
     "sinon": "17.0.2",
     "snap-shot-it": "7.9.10",
     "ts-mocha": "11.1.0",
-    "typescript": "5.0.4"
+    "typescript": "5.9.3"
   },
   "dependencies": {
     "@google-cloud/opentelemetry-resource-util": "^3.0.0",
diff --git a/packages/opentelemetry-cloud-trace-exporter/package.json b/packages/opentelemetry-cloud-trace-exporter/package.json
index ce76fcd9..ed25cc3d 100644
--- a/packages/opentelemetry-cloud-trace-exporter/package.json
+++ b/packages/opentelemetry-cloud-trace-exporter/package.json
@@ -56,7 +56,7 @@
     "protobufjs-cli": "1.2.0",
     "sinon": "17.0.2",
     "ts-mocha": "11.1.0",
-    "typescript": "5.0.4"
+    "typescript": "5.9.3"
   },
   "dependencies": {
     "@google-cloud/opentelemetry-resource-util": "^3.0.0",
diff --git a/packages/opentelemetry-cloud-trace-propagator/package.json b/packages/opentelemetry-cloud-trace-propagator/package.json
index c55880f0..771c343c 100644
--- a/packages/opentelemetry-cloud-trace-propagator/package.json
+++ b/packages/opentelemetry-cloud-trace-propagator/package.json
@@ -47,7 +47,7 @@
     "mocha": "11.7.2",
     "nyc": "17.1.0",
     "ts-mocha": "11.1.0",
-    "typescript": "5.0.4"
+    "typescript": "5.9.3"
   },
   "dependencies": {
     "hex2dec": "^1.0.1"
diff --git a/packages/opentelemetry-resource-util/package.json b/packages/opentelemetry-resource-util/package.json
index b35f5a93..15395122 100644
--- a/packages/opentelemetry-resource-util/package.json
+++ b/packages/opentelemetry-resource-util/package.json
@@ -59,7 +59,7 @@
     "sinon": "17.0.2",
     "snap-shot-it": "7.9.10",
     "ts-mocha": "11.1.0",
-    "typescript": "5.0.4"
+    "typescript": "5.9.3"
   },
   "peerDependencies": {
     "@opentelemetry/core": "^2.0.0",
diff --git a/samples/instrumentation-quickstart/package-lock.json b/samples/instrumentation-quickstart/package-lock.json
index e9e27658..8d429095 100644
--- a/samples/instrumentation-quickstart/package-lock.json
+++ b/samples/instrumentation-quickstart/package-lock.json
@@ -21,7 +21,7 @@
       "devDependencies": {
         "@types/node": "18.19.130",
         "gts": "6.0.2",
-        "typescript": "5.0.4"
+        "typescript": "5.9.3"
       },
       "engines": {
         "node": ">=18"
@@ -6337,9 +6337,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.0.4.tgz",
-      "integrity": "sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
@@ -6347,7 +6347,7 @@
         "tsserver": "bin/tsserver"
       },
       "engines": {
-        "node": ">=12.20"
+        "node": ">=14.17"
       }
     },
     "node_modules/undici-types": {
diff --git a/samples/instrumentation-quickstart/package.json b/samples/instrumentation-quickstart/package.json
index 335afdd1..9a8b5703 100644
--- a/samples/instrumentation-quickstart/package.json
+++ b/samples/instrumentation-quickstart/package.json
@@ -26,7 +26,7 @@
   "devDependencies": {
     "@types/node": "18.19.130",
     "gts": "6.0.2",
-    "typescript": "5.0.4"
+    "typescript": "5.9.3"
   },
   "dependencies": {
     "@opentelemetry/api": "1.9.0",
diff --git a/samples/otlpmetricexport/package.json b/samples/otlpmetricexport/package.json
index 0e205919..c41c32c1 100644
--- a/samples/otlpmetricexport/package.json
+++ b/samples/otlpmetricexport/package.json
@@ -29,7 +29,7 @@
   },
   "devDependencies": {
     "gts": "6.0.2",
-    "typescript": "5.0.4",
+    "typescript": "5.9.3",
     "ts-node": "10.9.2"
   },
   "description": "This example shows how to send metrics to an OTLP *(OpenTelemetry Protocol)* endpoint that is protected by GCP authentication over gRPC."
diff --git a/samples/otlptraceexport/package.json b/samples/otlptraceexport/package.json
index 4da12a28..84170831 100644
--- a/samples/otlptraceexport/package.json
+++ b/samples/otlptraceexport/package.json
@@ -35,7 +35,7 @@
   "devDependencies": {
     "gts": "6.0.2",
     "ts-node": "10.9.2",
-    "typescript": "5.0.4"
+    "typescript": "5.9.3"
   },
   "description": "This example shows how to send traces to an OTLP *(OpenTelemetry Protocol)* endpoint that is protected by GCP authentication over gRPC."
 }