diff --git a/src/bld/java/rife/bld/extension/PitestOperationBuild.java b/src/bld/java/rife/bld/extension/PitestOperationBuild.java
index 3d82117..895ddf1 100644
--- a/src/bld/java/rife/bld/extension/PitestOperationBuild.java
+++ b/src/bld/java/rife/bld/extension/PitestOperationBuild.java
@@ -27,7 +27,8 @@ import java.util.List;
 
 import static rife.bld.dependencies.Repository.MAVEN_CENTRAL;
 import static rife.bld.dependencies.Repository.RIFE2_RELEASES;
-import static rife.bld.dependencies.Scope.*;
+import static rife.bld.dependencies.Scope.compile;
+import static rife.bld.dependencies.Scope.test;
 import static rife.bld.operations.JavadocOptions.DocLinkOption.NO_MISSING;
 
 public class PitestOperationBuild extends Project {
@@ -44,6 +45,9 @@ public class PitestOperationBuild extends Project {
         scope(compile)
                 .include(dependency("com.uwyn.rife2", "bld", version(1, 7, 2)));
         scope(test)
+                .include(dependency("org.pitest", "pitest", version(1, 14, 4)))
+                .include(dependency("org.pitest", "pitest-command-line", version(1, 14, 4)))
+                .include(dependency("org.pitest", "pitest-junit5-plugin", version(1,2, 0)))
                 .include(dependency("org.junit.jupiter", "junit-jupiter", version(5, 10, 0)))
                 .include(dependency("org.junit.platform", "junit-platform-console-standalone", version(1, 10, 0)))
                 .include(dependency("org.assertj:assertj-joda-time:2.2.0"));
diff --git a/src/test/java/rife/bld/extension/PitestOperationTest.java b/src/test/java/rife/bld/extension/PitestOperationTest.java
index 98f476c..70d5ef8 100644
--- a/src/test/java/rife/bld/extension/PitestOperationTest.java
+++ b/src/test/java/rife/bld/extension/PitestOperationTest.java
@@ -21,9 +21,13 @@ import rife.bld.BaseProject;
 import rife.bld.Project;
 import rife.bld.WebProject;
 
+import java.io.IOException;
+import java.nio.file.Files;
 import java.util.List;
+import java.util.Set;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatCode;
 import static rife.bld.extension.PitestOperation.*;
 
 class PitestOperationTest {
@@ -109,8 +113,8 @@ class PitestOperationTest {
 
         op = new PitestOperation()
                 .fromProject(new Project())
-                .excludedClasses(List.of(FOO, BAR));
-        assertThat(op.options.get("--excludedClasses")).as(AS_LIST).isEqualTo(FOOBAR);
+                .excludedClasses(Set.of(FOO, BAR));
+        assertThat(op.options.get("--excludedClasses")).as("as set").contains(FOO).contains(BAR).contains(",");
     }
 
     @Test
@@ -149,7 +153,24 @@ class PitestOperationTest {
         op = new PitestOperation()
                 .fromProject(new Project())
                 .excludedTests(List.of(FOO, BAR));
-        assertThat(op.options.get("--excludedTests")).as(AS_LIST).isEqualTo(FOOBAR);
+        assertThat(op.options.get("--excludedTests")).as("as list").isEqualTo(FOOBAR);
+    }
+
+    @Test
+    void execute() throws IOException {
+        var tmpDir = Files.createTempDirectory("bld-pitest");
+        tmpDir.toFile().deleteOnExit();
+        var op = new PitestOperation().
+                fromProject(new WebProject())
+                .reportDir(tmpDir.toAbsolutePath().toString())
+                .targetClasses("com.example.*")
+                .targetTests("com.example.*")
+                .verbose(true)
+                .failWhenNoMutations(false)
+                .sourceDirs("examples/src");
+
+        assertThatCode(op::execute).doesNotThrowAnyException();
+        assertThat(tmpDir).isEmptyDirectory();
     }
 
     @Test