diff --git a/conf/config.neon b/conf/config.neon
index 2bdb6ef0e0..5f69929623 100644
--- a/conf/config.neon
+++ b/conf/config.neon
@@ -225,6 +225,7 @@ parameters:
 	editorUrl: null
 	editorUrlTitle: null
 	errorFormat: null
+	githubErrorLevel: 'error'
 	pro:
 		dnsServers:
 			- '1.1.1.1'
@@ -424,6 +425,7 @@ parametersSchema:
 	editorUrl: schema(string(), nullable())
 	editorUrlTitle: schema(string(), nullable())
 	errorFormat: schema(string(), nullable())
+	githubErrorLevel: string()
 	pro: structure([
 		dnsServers: schema(listOf(string()), min(1)),
 	])
@@ -2161,6 +2163,7 @@ services:
 		class: PHPStan\Command\ErrorFormatter\GithubErrorFormatter
 		arguments:
 			relativePathHelper: @simpleRelativePathHelper
+			errorLevel: %githubErrorLevel%
 
 	errorFormatter.teamcity:
 		class: PHPStan\Command\ErrorFormatter\TeamcityErrorFormatter
diff --git a/src/Command/ErrorFormatter/GithubErrorFormatter.php b/src/Command/ErrorFormatter/GithubErrorFormatter.php
index 03dc1aa8d0..c541fc8757 100644
--- a/src/Command/ErrorFormatter/GithubErrorFormatter.php
+++ b/src/Command/ErrorFormatter/GithubErrorFormatter.php
@@ -2,11 +2,13 @@
 
 namespace PHPStan\Command\ErrorFormatter;
 
+use InvalidArgumentException;
 use PHPStan\Command\AnalysisResult;
 use PHPStan\Command\Output;
 use PHPStan\File\RelativePathHelper;
 use function array_walk;
 use function implode;
+use function in_array;
 use function sprintf;
 use function str_replace;
 
@@ -19,8 +21,12 @@ class GithubErrorFormatter implements ErrorFormatter
 
 	public function __construct(
 		private RelativePathHelper $relativePathHelper,
+		private string $errorLevel = 'error',
 	)
 	{
+		if (!in_array($errorLevel, ['notice', 'warning', 'error'], true)) {
+			throw new InvalidArgumentException(sprintf('Invalid error level "%s"', $errorLevel));
+		}
 	}
 
 	public function formatErrors(AnalysisResult $analysisResult, Output $output): int
@@ -40,7 +46,7 @@ public function formatErrors(AnalysisResult $analysisResult, Output $output): in
 			// see https://github.com/actions/starter-workflows/issues/68#issuecomment-581479448
 			$message = str_replace("\n", '%0A', $message);
 
-			$line = sprintf('::error %s::%s', implode(',', $metas), $message);
+			$line = sprintf('::%s %s::%s', $this->errorLevel, implode(',', $metas), $message);
 
 			$output->writeRaw($line);
 			$output->writeLineFormatted('');
@@ -51,7 +57,7 @@ public function formatErrors(AnalysisResult $analysisResult, Output $output): in
 			// see https://github.com/actions/starter-workflows/issues/68#issuecomment-581479448
 			$notFileSpecificError = str_replace("\n", '%0A', $notFileSpecificError);
 
-			$line = sprintf('::error ::%s', $notFileSpecificError);
+			$line = sprintf('::%s ::%s', $this->errorLevel, $notFileSpecificError);
 
 			$output->writeRaw($line);
 			$output->writeLineFormatted('');
diff --git a/tests/PHPStan/Command/ErrorFormatter/GithubErrorFormatterTest.php b/tests/PHPStan/Command/ErrorFormatter/GithubErrorFormatterTest.php
index b6a921e06c..21f28b36a8 100644
--- a/tests/PHPStan/Command/ErrorFormatter/GithubErrorFormatterTest.php
+++ b/tests/PHPStan/Command/ErrorFormatter/GithubErrorFormatterTest.php
@@ -18,6 +18,7 @@ public function dataFormatterOutputProvider(): iterable
 			0,
 			0,
 			'',
+			'error',
 		];
 
 		yield [
@@ -27,6 +28,7 @@ public function dataFormatterOutputProvider(): iterable
 			0,
 			'::error file=folder with unicode 😃/file name with "spaces" and unicode 😃.php,line=4,col=0::Foo
 ',
+			'error',
 		];
 
 		yield [
@@ -36,6 +38,7 @@ public function dataFormatterOutputProvider(): iterable
 			1,
 			'::error ::first generic error
 ',
+			'error',
 		];
 
 		yield [
@@ -48,6 +51,7 @@ public function dataFormatterOutputProvider(): iterable
 ::error file=foo.php,line=1,col=0::Foo
 ::error file=foo.php,line=5,col=0::Bar%0ABar2
 ',
+			'error',
 		];
 
 		yield [
@@ -58,6 +62,7 @@ public function dataFormatterOutputProvider(): iterable
 			'::error ::first generic error
 ::error ::second generic error
 ',
+			'error',
 		];
 
 		yield [
@@ -72,6 +77,17 @@ public function dataFormatterOutputProvider(): iterable
 ::error ::first generic error
 ::error ::second generic error
 ',
+			'error',
+		];
+
+		yield [
+			'One generic error as warning',
+			1,
+			0,
+			1,
+			'::warning ::first generic error
+',
+			'warning',
 		];
 	}
 
@@ -85,11 +101,13 @@ public function testFormatErrors(
 		int $numFileErrors,
 		int $numGenericErrors,
 		string $expected,
+		string $errorLevel,
 	): void
 	{
 		$relativePathHelper = new FuzzyRelativePathHelper(new NullRelativePathHelper(), self::DIRECTORY_PATH, [], '/');
 		$formatter = new GithubErrorFormatter(
 			$relativePathHelper,
+			$errorLevel,
 		);
 
 		$this->assertSame($exitCode, $formatter->formatErrors(