diff --git a/.github/workflows/sonarcloud.yml b/.github/workflows/sonarcloud.yml
index 300da48d..fc1d818b 100644
--- a/.github/workflows/sonarcloud.yml
+++ b/.github/workflows/sonarcloud.yml
@@ -4,7 +4,11 @@ on:
   push:
     branches:
       - master
-  # do not validate pull requests because SONAR_TOKEN is available only for project owner
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
 
 jobs:
   build: