diff --git a/skippy-gradle/src/main/java/io/skippy/gradle/core/SourceFileCollector.java b/skippy-gradle/src/main/java/io/skippy/gradle/core/SourceFileCollector.java
index 0de0a8b..eac6b73 100644
--- a/skippy-gradle/src/main/java/io/skippy/gradle/core/SourceFileCollector.java
+++ b/skippy-gradle/src/main/java/io/skippy/gradle/core/SourceFileCollector.java
@@ -6,8 +6,11 @@
 
 import java.io.File;
 import java.util.ArrayList;
+import java.util.Comparator;
 import java.util.List;
 
+import static java.util.Comparator.comparing;
+
 public class SourceFileCollector {
 
     public static List<SourceFile> getAllSources(Project project) {
@@ -16,7 +19,7 @@ public static List<SourceFile> getAllSources(Project project) {
         for (SourceSet sourceSet : sourceSetContainer) {
             result.addAll(getSourceFiles(sourceSet));
         }
-        return result;
+        return result.stream().sorted(comparing(SourceFile::getFullyQualifiedClassName)).toList();
     }
 
     private static List<SourceFile> getSourceFiles(SourceSet sourceSet) {