diff --git a/src/providers/javascript_npm.js b/src/providers/javascript_npm.js
index 037c0205..f6d46338 100644
--- a/src/providers/javascript_npm.js
+++ b/src/providers/javascript_npm.js
@@ -17,4 +17,26 @@ export default class Javascript_npm extends Base_javascript {
 	_updateLockFileCmdArgs() {
 		return ['install', '--package-lock-only'];
 	}
+
+	_buildDependencyTree(includeTransitive, opts = {}) {
+		// npm ls --json returns a single tree rooted at the workspace root.
+		// When analyzing a workspace member, its deps are nested under the
+		// root's dependencies keyed by the member name — extract that subtree
+		// so downstream analysis sees only the member's dependencies.
+		const tree = super._buildDependencyTree(includeTransitive, opts);
+		const memberName = this._getManifest().name;
+		if (tree.name === memberName) {
+			return tree;
+		}
+		const memberEntry = tree.dependencies?.[memberName];
+		if (memberEntry) {
+			return {
+				name: memberName,
+				version: memberEntry.version || this._getManifest().version,
+				dependencies: memberEntry.dependencies,
+				optionalDependencies: memberEntry.optionalDependencies,
+			};
+		}
+		return tree;
+	}
 }
diff --git a/test/providers/javascript.test.js b/test/providers/javascript.test.js
index 5101d80f..1aa0b118 100644
--- a/test/providers/javascript.test.js
+++ b/test/providers/javascript.test.js
@@ -90,7 +90,7 @@ suite('testing the javascript-npm data provider', async () => {
 
 			compareSboms(providedDataForStack.content, expectedSbom);
 
-		}).timeout(process.env.GITHUB_ACTIONS ? 30000 : 10000);
+		}).timeout(30000);
 		test(`verify package.json data provided for ${providerName} - component analysis - ${scenario}`, async () => {
 			// load the expected list for the scenario
 			let expectedSbom = fs.readFileSync(`test/providers/tst_manifests/js-common/${testCase}/component_expected_sbom.json`,).toString().trim()
@@ -102,10 +102,44 @@ suite('testing the javascript-npm data provider', async () => {
 			let providedDataForComponent = provider.provideComponent(manifestPath);
 
 			compareSboms(providedDataForComponent.content, expectedSbom);
-		}).timeout(process.env.GITHUB_ACTIONS ? 15000 : 10000)
+		}).timeout(15000)
 
 	});
 
+	[
+		{ providerName: 'npm', testCase: 'workspace_member' },
+	].forEach(({ providerName, testCase }) => {
+		/// Verifies that stack analysis resolves transitive dependencies for a workspace member.
+		test(`verify workspace member data provided for ${providerName} - stack analysis`, async () => {
+			// Given a workspace member manifest and mock listing from the workspace root
+			const listing = fs.readFileSync(`test/providers/tst_manifests/${providerName}/${testCase}/listing_stack.json`).toString();
+			const expectedSbom = fs.readFileSync(`test/providers/tst_manifests/${providerName}/${testCase}/stack_expected_sbom.json`).toString();
+			const provider = await createMockProvider(providerName, listing);
+			const manifestPath = `test/providers/tst_manifests/${providerName}/${testCase}/packages/member-a/package.json`;
+
+			// When running stack analysis on the workspace member
+			const result = provider.provideStack(manifestPath);
+
+			// Then the SBOM should contain the member's transitive dependencies
+			compareSboms(result.content, expectedSbom);
+		}).timeout(30000);
+
+		/// Verifies that component analysis resolves direct dependencies for a workspace member.
+		test(`verify workspace member data provided for ${providerName} - component analysis`, async () => {
+			// Given a workspace member manifest and mock listing from the workspace root
+			const listing = fs.readFileSync(`test/providers/tst_manifests/${providerName}/${testCase}/listing_component.json`).toString();
+			const expectedSbom = fs.readFileSync(`test/providers/tst_manifests/${providerName}/${testCase}/component_expected_sbom.json`).toString();
+			const provider = await createMockProvider(providerName, listing);
+			const manifestPath = `test/providers/tst_manifests/${providerName}/${testCase}/packages/member-a/package.json`;
+
+			// When running component analysis on the workspace member
+			const result = provider.provideComponent(manifestPath);
+
+			// Then the SBOM should contain only the member's direct dependencies
+			compareSboms(result.content, expectedSbom);
+		}).timeout(15000);
+	});
+
 	test('loads a valid manifest with ignored dependencies', () => {
 		const testCase = 'package_json_deps_with_exhortignore_object';
 		const manifestPath = `test/providers/tst_manifests/npm/${testCase}/package.json`;
diff --git a/test/providers/tst_manifests/npm/workspace_member/component_expected_sbom.json b/test/providers/tst_manifests/npm/workspace_member/component_expected_sbom.json
new file mode 100644
index 00000000..b1033c7e
--- /dev/null
+++ b/test/providers/tst_manifests/npm/workspace_member/component_expected_sbom.json
@@ -0,0 +1,36 @@
+{
+	"bomFormat": "CycloneDX",
+	"specVersion": "1.4",
+	"version": 1,
+	"metadata": {
+		"timestamp": "2023-08-07T00:00:00.000Z",
+		"component": {
+			"name": "member-a",
+			"version": "1.0.0",
+			"purl": "pkg:npm/member-a@1.0.0",
+			"type": "application",
+			"bom-ref": "pkg:npm/member-a@1.0.0"
+		}
+	},
+	"components": [
+		{
+			"name": "axios",
+			"version": "0.21.1",
+			"purl": "pkg:npm/axios@0.21.1",
+			"type": "library",
+			"bom-ref": "pkg:npm/axios@0.21.1"
+		}
+	],
+	"dependencies": [
+		{
+			"ref": "pkg:npm/member-a@1.0.0",
+			"dependsOn": [
+				"pkg:npm/axios@0.21.1"
+			]
+		},
+		{
+			"ref": "pkg:npm/axios@0.21.1",
+			"dependsOn": []
+		}
+	]
+}
diff --git a/test/providers/tst_manifests/npm/workspace_member/listing_component.json b/test/providers/tst_manifests/npm/workspace_member/listing_component.json
new file mode 100644
index 00000000..d78cabbd
--- /dev/null
+++ b/test/providers/tst_manifests/npm/workspace_member/listing_component.json
@@ -0,0 +1,17 @@
+{
+  "name": "test-workspace-root",
+  "dependencies": {
+    "member-a": {
+      "version": "1.0.0",
+      "resolved": "file:../packages/member-a",
+      "overridden": false,
+      "dependencies": {
+        "axios": {
+          "version": "0.21.1",
+          "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.1.tgz",
+          "overridden": false
+        }
+      }
+    }
+  }
+}
diff --git a/test/providers/tst_manifests/npm/workspace_member/listing_stack.json b/test/providers/tst_manifests/npm/workspace_member/listing_stack.json
new file mode 100644
index 00000000..16a6a05e
--- /dev/null
+++ b/test/providers/tst_manifests/npm/workspace_member/listing_stack.json
@@ -0,0 +1,24 @@
+{
+  "name": "test-workspace-root",
+  "dependencies": {
+    "member-a": {
+      "version": "1.0.0",
+      "resolved": "file:../packages/member-a",
+      "overridden": false,
+      "dependencies": {
+        "axios": {
+          "version": "0.21.1",
+          "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.1.tgz",
+          "overridden": false,
+          "dependencies": {
+            "follow-redirects": {
+              "version": "1.16.0",
+              "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.16.0.tgz",
+              "overridden": false
+            }
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/test/providers/tst_manifests/npm/workspace_member/package-lock.json b/test/providers/tst_manifests/npm/workspace_member/package-lock.json
new file mode 100644
index 00000000..268208f5
--- /dev/null
+++ b/test/providers/tst_manifests/npm/workspace_member/package-lock.json
@@ -0,0 +1,4 @@
+{
+  "name": "test-workspace-root",
+  "lockfileVersion": 3
+}
diff --git a/test/providers/tst_manifests/npm/workspace_member/package.json b/test/providers/tst_manifests/npm/workspace_member/package.json
new file mode 100644
index 00000000..98101a90
--- /dev/null
+++ b/test/providers/tst_manifests/npm/workspace_member/package.json
@@ -0,0 +1,5 @@
+{
+  "name": "test-workspace-root",
+  "private": true,
+  "workspaces": ["packages/*"]
+}
diff --git a/test/providers/tst_manifests/npm/workspace_member/packages/member-a/package.json b/test/providers/tst_manifests/npm/workspace_member/packages/member-a/package.json
new file mode 100644
index 00000000..fba8d2af
--- /dev/null
+++ b/test/providers/tst_manifests/npm/workspace_member/packages/member-a/package.json
@@ -0,0 +1,7 @@
+{
+  "name": "member-a",
+  "version": "1.0.0",
+  "dependencies": {
+    "axios": "0.21.1"
+  }
+}
diff --git a/test/providers/tst_manifests/npm/workspace_member/stack_expected_sbom.json b/test/providers/tst_manifests/npm/workspace_member/stack_expected_sbom.json
new file mode 100644
index 00000000..28da3d7a
--- /dev/null
+++ b/test/providers/tst_manifests/npm/workspace_member/stack_expected_sbom.json
@@ -0,0 +1,49 @@
+{
+	"bomFormat": "CycloneDX",
+	"specVersion": "1.4",
+	"version": 1,
+	"metadata": {
+		"timestamp": "2023-08-07T00:00:00.000Z",
+		"component": {
+			"name": "member-a",
+			"version": "1.0.0",
+			"purl": "pkg:npm/member-a@1.0.0",
+			"type": "application",
+			"bom-ref": "pkg:npm/member-a@1.0.0"
+		}
+	},
+	"components": [
+		{
+			"name": "axios",
+			"version": "0.21.1",
+			"purl": "pkg:npm/axios@0.21.1",
+			"type": "library",
+			"bom-ref": "pkg:npm/axios@0.21.1"
+		},
+		{
+			"name": "follow-redirects",
+			"version": "1.16.0",
+			"purl": "pkg:npm/follow-redirects@1.16.0",
+			"type": "library",
+			"bom-ref": "pkg:npm/follow-redirects@1.16.0"
+		}
+	],
+	"dependencies": [
+		{
+			"ref": "pkg:npm/member-a@1.0.0",
+			"dependsOn": [
+				"pkg:npm/axios@0.21.1"
+			]
+		},
+		{
+			"ref": "pkg:npm/axios@0.21.1",
+			"dependsOn": [
+				"pkg:npm/follow-redirects@1.16.0"
+			]
+		},
+		{
+			"ref": "pkg:npm/follow-redirects@1.16.0",
+			"dependsOn": []
+		}
+	]
+}