diff --git a/lib/dep-graph-builders/pnpm/build-dep-graph-pnpm.ts b/lib/dep-graph-builders/pnpm/build-dep-graph-pnpm.ts
index b1f595a5..2bdbf390 100644
--- a/lib/dep-graph-builders/pnpm/build-dep-graph-pnpm.ts
+++ b/lib/dep-graph-builders/pnpm/build-dep-graph-pnpm.ts
@@ -12,6 +12,9 @@ import {
   LOCK_FILE_NAME,
 } from '../../errors/out-of-sync-error';
 import { LockfileType } from '../..';
+import * as debugModule from 'debug';
+
+const debug = debugModule('snyk-pnpm-workspaces');
 
 export const buildDepGraphPnpm = async (
   lockFileParser: PnpmLockfileParser,
@@ -48,14 +51,15 @@ export const buildDepGraphPnpm = async (
 
   for (const name of Object.keys(topLevelDeps)) {
     if (!extractedTopLevelDeps[name]) {
-      throw new OpenSourceEcosystems.PnpmOutOfSyncError(
+      const errMessage =
         `Dependency ${name} was not found in ` +
-          `${LOCK_FILE_NAME[LockfileType.pnpm]}. Your package.json and ` +
-          `${
-            LOCK_FILE_NAME[LockfileType.pnpm]
-          } are probably out of sync. Please run ` +
-          `"${INSTALL_COMMAND[LockfileType.pnpm]}" and try again.`,
-      );
+        `${LOCK_FILE_NAME[LockfileType.pnpm]}. Your package.json and ` +
+        `${
+          LOCK_FILE_NAME[LockfileType.pnpm]
+        } are probably out of sync. Please run ` +
+        `"${INSTALL_COMMAND[LockfileType.pnpm]}" and try again.`;
+      debug(errMessage);
+      throw new OpenSourceEcosystems.PnpmOutOfSyncError(errMessage);
     }
     topLevelDeps[name].version = extractedTopLevelDeps[name].version;
   }
diff --git a/lib/dep-graph-builders/pnpm/lockfile-parser/lockfile-parser.ts b/lib/dep-graph-builders/pnpm/lockfile-parser/lockfile-parser.ts
index 0089af75..6a688e60 100644
--- a/lib/dep-graph-builders/pnpm/lockfile-parser/lockfile-parser.ts
+++ b/lib/dep-graph-builders/pnpm/lockfile-parser/lockfile-parser.ts
@@ -145,8 +145,8 @@ export abstract class PnpmLockfileParser {
       (depName) =>
         (topLevel[depName] = {
           name: depName,
-          version: pkg.dependencies[depName],
-          isDev: false,
+          version: pkg.devDependencies[depName],
+          isDev: true,
         }),
     );
     return topLevel;
diff --git a/lib/dep-graph-builders/pnpm/utils.ts b/lib/dep-graph-builders/pnpm/utils.ts
index eb64c298..10f2268e 100644
--- a/lib/dep-graph-builders/pnpm/utils.ts
+++ b/lib/dep-graph-builders/pnpm/utils.ts
@@ -10,7 +10,9 @@ import {
   INSTALL_COMMAND,
   LOCK_FILE_NAME,
 } from '../../errors/out-of-sync-error';
+import * as debugModule from 'debug';
 
+const debug = debugModule('snyk-pnpm-workspaces');
 export const getPnpmChildNode = (
   name: string,
   depInfo: { version: string; isDev: boolean },
@@ -42,6 +44,7 @@ export const getPnpmChildNode = (
           LOCK_FILE_NAME[LockfileType.pnpm]
         } are probably out of sync. Please run ` +
         `"${INSTALL_COMMAND[LockfileType.pnpm]}" and try again.`;
+      debug(errMessage);
       throw new OpenSourceEcosystems.PnpmOutOfSyncError(errMessage);
     } else {
       return {