diff --git a/.sonarcloud.properties b/.sonarcloud.properties
new file mode 100644
index 0000000..656c77d
--- /dev/null
+++ b/.sonarcloud.properties
@@ -0,0 +1,6 @@
+# This file is used by automatic analysis in sonarqube cloud. Automatic analysis ignores sonar-project.properties.
+# https://docs.sonarsource.com/sonarqube-cloud/analyzing-source-code/automatic-analysis#additional-analysis-configuration
+
+sonar.exclusions=third-party/**
+
+sonar.cfamily.reportingCppStandardOverride=c++20
diff --git a/sonar-project.properties b/sonar-project.properties
index e91b4cd..2e73167 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -1,3 +1,8 @@
 # Sonar project analysis properties overrides
+# Automatic analysis ignores this file, and uses .sonarcloud.properties instead
+
 sonar.projectKey=LizardByte_libdisplaydevice
+
+sonar.exclusions=third-party/**, packaging/linux/flatpak/deps/**
+
 sonar.cfamily.reportingCppStandardOverride=c++20