diff --git a/build.gradle b/build.gradle
index 7297886..d3b9665 100644
--- a/build.gradle
+++ b/build.gradle
@@ -111,7 +111,7 @@ spotless {
             include '**/*.cpp', '**/*.cc', '**/*.h', '**/*.hpp'
             exclude '**/build/**', '**/build-*/**'
         }
-        def selectedClangVersion = project.hasProperty('fromCI') ? '19.1.5' : '18.1.8' 
+        def selectedClangVersion = project.hasProperty('fromCI') ? '18.1.8' : '18.1.8'
 
         def styleFile = file('style.standard')
         def styleConfig = styleFile.text.trim()
@@ -200,4 +200,4 @@ runCppcheck.onlyIf { !project.hasProperty('fromCI') }
 if (!project.hasProperty('fromCI')) {
     check.dependsOn runCppcheck
     runCppcheck.dependsOn spotlessApply
-}
+}
\ No newline at end of file