diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a4522703..71f9488a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -7,26 +7,26 @@
 Start by installing all dependencies:
 
 ```bash
-yarn
+pnpm install
 ```
 
 Run the tests:
 
 ```bash
-yarn test
-yarn e2e
+pnpm exec test
+pnpm exec e2e
 ```
 
 Run the playground app:
 
 ```bash
-yarn start
+pnpm exec start
 ```
 
 ## Building
 
 ```bash
-yarn build
+pnpm exec build
 ```
 
 ## <a name="rules"></a> Coding Rules
diff --git a/nx.json b/nx.json
index 27b296da..8bfe7735 100644
--- a/nx.json
+++ b/nx.json
@@ -1,7 +1,7 @@
 {
   "$schema": "./node_modules/nx/schemas/nx-schema.json",
   "cli": {
-    "packageManager": "yarn"
+    "packageManager": "pnpm"
   },
   "generators": {
     "@nx/angular:application": {
diff --git a/package.json b/package.json
index ecf2be15..bbc6e198 100644
--- a/package.json
+++ b/package.json
@@ -5,12 +5,12 @@
   "private": true,
   "scripts": {
     "build": "nx run-many --target=build --all",
-    "ci": "yarn lint && yarn test && yarn build && yarn e2e",
+    "ci": "pnpm exec lint && pnpm exec test && pnpm exec build && yarn e2e",
     "clean": "rimraf dist coverage reports",
     "configure-sonar-report-paths": "node tools/scripts/configure-sonar-report-paths.mjs",
     "delete-path-alias": "node tools/scripts/delete-path-alias.mjs",
     "e2e": "nx run-many --target=e2e --all --parallel=1",
-    "format": "yarn nx format:write",
+    "format": "pnpm exec nx format:write",
     "lint": "nx run-many --target=lint --all --max-warnings=0",
     "nx": "nx",
     "start": "nx serve",
diff --git a/packages/ngworker/lumberjack/project.json b/packages/ngworker/lumberjack/project.json
index 6f5f10ea..01a515c8 100644
--- a/packages/ngworker/lumberjack/project.json
+++ b/packages/ngworker/lumberjack/project.json
@@ -24,13 +24,13 @@
         "production": {
           "commands": [
             "nx run ngworker-lumberjack:build-package:production",
-            "yarn copy README.md dist/packages/ngworker/lumberjack"
+            "pnpm exec copy README.md dist/packages/ngworker/lumberjack"
           ]
         },
         "development": {
           "commands": [
             "nx run ngworker-lumberjack:build-package:development",
-            "yarn copy README.md dist/packages/ngworker/lumberjack"
+            "pnpm exec copy README.md dist/packages/ngworker/lumberjack"
           ]
         }
       },