diff --git a/nodejs/package-lock.json b/nodejs/package-lock.json
index bde32712a6..890896eb27 100644
--- a/nodejs/package-lock.json
+++ b/nodejs/package-lock.json
@@ -496,6 +496,15 @@
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+      "license": "MIT",
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@@ -509,6 +518,18 @@
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+      "resolved": "https://registry.npmjs.org/@dabh/diagnostics/-/diagnostics-2.0.8.tgz",
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+      "license": "MIT",
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@@ -1863,6 +1884,20 @@
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+      "resolved": "https://registry.npmjs.org/@opentelemetry/winston-transport/-/winston-transport-0.31.0.tgz",
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@@ -2057,6 +2092,17 @@
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@@ -2215,6 +2261,12 @@
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+      "resolved": "https://registry.npmjs.org/@types/triple-beam/-/triple-beam-1.3.5.tgz",
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@@ -3517,6 +3569,20 @@
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@@ -3537,6 +3603,52 @@
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+      "license": "MIT",
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+      "license": "MIT",
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+      "license": "MIT",
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+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-2.1.1.tgz",
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+      "license": "MIT",
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+      }
+    },
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@@ -3789,6 +3901,13 @@
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@@ -4336,6 +4455,12 @@
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+      "resolved": "https://registry.npmjs.org/fecha/-/fecha-4.2.3.tgz",
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@@ -4423,6 +4548,13 @@
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@@ -5331,6 +5462,13 @@
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+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/kuler/-/kuler-2.0.0.tgz",
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+      "dev": true,
+      "license": "MIT"
+    },
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@@ -5445,6 +5583,23 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
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+    "node_modules/logform": {
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/logform/-/logform-2.7.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "@colors/colors": "1.6.0",
+        "@types/triple-beam": "^1.3.2",
+        "fecha": "^4.2.0",
+        "ms": "^2.1.1",
+        "safe-stable-stringify": "^2.3.1",
+        "triple-beam": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 12.0.0"
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@@ -5987,6 +6142,16 @@
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+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/one-time/-/one-time-1.0.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "fn.name": "1.x.x"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/onetime/-/onetime-5.1.2.tgz",
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-      "dev": true,
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@@ -6850,6 +7014,15 @@
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       "license": "MIT"
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+      "resolved": "https://registry.npmjs.org/safe-stable-stringify/-/safe-stable-stringify-2.5.0.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      }
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       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -7074,6 +7247,16 @@
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+      "version": "0.0.10",
+      "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "*"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/streamx/-/streamx-2.28.0.tgz",
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@@ -7298,6 +7480,13 @@
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+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/text-hex/-/text-hex-1.0.0.tgz",
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+      "dev": true,
+      "license": "MIT"
+    },
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       "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
@@ -7389,6 +7578,15 @@
         "node": ">=8"
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+    "node_modules/triple-beam": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/triple-beam/-/triple-beam-1.4.1.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 14.0.0"
+      }
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-      "dev": true,
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     "node_modules/v8-compile-cache-lib": {
@@ -7868,6 +8065,85 @@
       "dev": true,
       "license": "MIT"
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+      "resolved": "https://registry.npmjs.org/winston/-/winston-3.19.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@colors/colors": "^1.6.0",
+        "@dabh/diagnostics": "^2.0.8",
+        "async": "^3.2.3",
+        "is-stream": "^2.0.0",
+        "logform": "^2.7.0",
+        "one-time": "^1.0.0",
+        "readable-stream": "^3.4.0",
+        "safe-stable-stringify": "^2.3.1",
+        "stack-trace": "0.0.x",
+        "triple-beam": "^1.3.0",
+        "winston-transport": "^4.9.0"
+      },
+      "engines": {
+        "node": ">= 12.0.0"
+      }
+    },
+    "node_modules/winston-transport": {
+      "version": "4.9.0",
+      "resolved": "https://registry.npmjs.org/winston-transport/-/winston-transport-4.9.0.tgz",
+      "integrity": "sha512-8drMJ4rkgaPo1Me4zD/3WLfI/zPdA9o2IipKODunnGDcuqbHwjsbB79ylv04LCGGzU0xQ6vTznOMpQGaLhhm6A==",
+      "license": "MIT",
+      "dependencies": {
+        "logform": "^2.7.0",
+        "readable-stream": "^3.6.2",
+        "triple-beam": "^1.3.0"
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+      "engines": {
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+    "node_modules/winston-transport/node_modules/readable-stream": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+      "license": "MIT",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
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+        "node": ">= 6"
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+    "node_modules/winston/node_modules/is-stream": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-2.0.1.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/winston/node_modules/readable-stream": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
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@@ -8151,7 +8427,8 @@
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-        "@opentelemetry/sdk-trace-node": "^2.0.0"
+        "@opentelemetry/sdk-trace-node": "^2.0.0",
+        "@opentelemetry/winston-transport": "^0.31.0"
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       "devDependencies": {
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@@ -8162,7 +8439,8 @@
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         "webpack-cli": "7.2.2",
-        "webpack-node-externals": "3.0.0"
+        "webpack-node-externals": "3.0.0",
+        "winston": "^3.19.0"
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       "engines": {
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diff --git a/nodejs/packages/layer/package.json b/nodejs/packages/layer/package.json
index dfec9a37a1..d1ed0d6fd8 100644
--- a/nodejs/packages/layer/package.json
+++ b/nodejs/packages/layer/package.json
@@ -81,7 +81,8 @@
     "@opentelemetry/resources": "^2.0.0",
     "@opentelemetry/sdk-logs": "^0.221.0",
     "@opentelemetry/sdk-metrics": "^2.0.0",
-    "@opentelemetry/sdk-trace-node": "^2.0.0"
+    "@opentelemetry/sdk-trace-node": "^2.0.0",
+    "@opentelemetry/winston-transport": "^0.31.0"
   },
   "devDependencies": {
     "@types/mocha": "10.0.10",
@@ -92,7 +93,8 @@
     "ts-node": "10.9.2",
     "webpack": "5.109.2",
     "webpack-cli": "7.2.2",
-    "webpack-node-externals": "3.0.0"
+    "webpack-node-externals": "3.0.0",
+    "winston": "^3.19.0"
   },
   "sideEffects": false
 }
diff --git a/nodejs/packages/layer/test/winston-instrumentation.spec.ts b/nodejs/packages/layer/test/winston-instrumentation.spec.ts
new file mode 100644
index 0000000000..880a6381ed
--- /dev/null
+++ b/nodejs/packages/layer/test/winston-instrumentation.spec.ts
@@ -0,0 +1,34 @@
+import { WinstonInstrumentation } from '@opentelemetry/instrumentation-winston';
+import type * as Winston from 'winston';
+import assert from 'assert';
+
+describe('winston instrumentation', () => {
+  it('auto-attaches the OpenTelemetry transport so logs are exported', () => {
+    // The instrumentation must be enabled (installing its require hook) before
+    // 'winston' is required for the first time, otherwise the module load isn't
+    // intercepted and patched - matching how createInstrumentations() in
+    // wrapper.ts constructs instrumentations before the handler module (and its
+    // winston usage) is loaded.
+    const instrumentation = new WinstonInstrumentation();
+
+    try {
+      // Its patched `configure()` requires '@opentelemetry/winston-transport' to
+      // attach an OTLP-exporting transport; if that package is not bundled with
+      // the layer, the require fails and winston logs are silently never exported.
+      const winston: typeof Winston = require('winston');
+
+      const logger = winston.createLogger({
+        level: 'info',
+        transports: [new winston.transports.Console()],
+      });
+
+      const transportNames = logger.transports.map(t => t.constructor.name);
+      assert.ok(
+        transportNames.includes('OpenTelemetryTransportV3'),
+        `expected an OpenTelemetryTransportV3 transport to be attached, got: ${transportNames}`,
+      );
+    } finally {
+      instrumentation.disable();
+    }
+  });
+});