diff --git a/.idea/libraries/bld.xml b/.idea/libraries/bld.xml
index 7aa10eb..3409629 100644
--- a/.idea/libraries/bld.xml
+++ b/.idea/libraries/bld.xml
@@ -2,11 +2,11 @@
   <library name="bld">
     <CLASSES>
       <root url="file://$PROJECT_DIR$/lib/bld" />
-      <root url="jar://$USER_HOME$/.rife2/dist/rife2-1.5.19.jar!/" />
+      <root url="jar://$USER_HOME$/.rife2/dist/rife2-1.5.20.jar!/" />
     </CLASSES>
     <JAVADOC />
     <SOURCES>
-      <root url="jar://$USER_HOME$/.rife2/dist/rife2-1.5.19-sources.jar!/" />
+      <root url="jar://$USER_HOME$/.rife2/dist/rife2-1.5.20-sources.jar!/" />
     </SOURCES>
     <excluded>
       <root url="jar://$PROJECT_DIR$/lib/bld/bld-wrapper.jar!/" />
diff --git a/.vscode/settings.json b/.vscode/settings.json
index ba59365..122fc60 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -7,7 +7,7 @@
     ],
     "java.configuration.updateBuildConfiguration": "automatic",
     "java.project.referencedLibraries": [
-        "${HOME}/.rife2/dist/rife2-1.5.19.jar",
+        "${HOME}/.rife2/dist/rife2-1.5.20.jar",
         "lib/compile/*.jar",
         "lib/runtime/*.jar",
         "lib/test/*.jar"
diff --git a/README.md b/README.md
index d4ef9b9..9e985d2 100755
--- a/README.md
+++ b/README.md
@@ -10,7 +10,9 @@ To check all source code using the [java quickstart rule](https://pmd.github.io/
 ```java
 @BuildCommand
 public void pmd() throws Exception {
-    new PmdOperation(this).execute();
+    new PmdOperation
+        .fromProject(this)
+        .execute();
 }
 ```
 ```text
@@ -22,7 +24,8 @@ To check the main source code using a custom rule, [java error prone rule](https
 ```java
 @BuildCommand
 public void pmdMain() throws Exception {
-    new PmdOperation(this)
+    new PmdOperation
+        .fromProject(this)
         .failOnValidation(true)
         .addInputPath(project.srcMainDirectory().toPath())
         .addRuletSet("config/pmd.xml", "category/java/errorprone.xml");
diff --git a/lib/bld/bld-wrapper.jar b/lib/bld/bld-wrapper.jar
index 48e3283..2c3f5a5 100644
Binary files a/lib/bld/bld-wrapper.jar and b/lib/bld/bld-wrapper.jar differ
diff --git a/lib/bld/bld-wrapper.properties b/lib/bld/bld-wrapper.properties
index ab612ce..711e55e 100644
--- a/lib/bld/bld-wrapper.properties
+++ b/lib/bld/bld-wrapper.properties
@@ -3,4 +3,4 @@ bld.downloadExtensionSources=true
 bld.extensions=
 bld.repositories=MAVEN_CENTRAL,RIFE2
 rife2.downloadLocation=
-rife2.version=1.5.19
+rife2.version=1.5.20
diff --git a/src/bld/java/rife/bld/extension/PmdOperationBuild.java b/src/bld/java/rife/bld/extension/PmdOperationBuild.java
index aeb1157..546555f 100644
--- a/src/bld/java/rife/bld/extension/PmdOperationBuild.java
+++ b/src/bld/java/rife/bld/extension/PmdOperationBuild.java
@@ -18,7 +18,7 @@ public class PmdOperationBuild extends Project {
         downloadSources = true;
         repositories = List.of(MAVEN_CENTRAL, RIFE2_RELEASES);
         scope(compile)
-                .include(dependency("com.uwyn.rife2", "rife2", version(1, 5, 19)))
+                .include(dependency("com.uwyn.rife2", "rife2", version(1, 5, 20)))
                 .include(dependency("net.sourceforge.pmd:pmd-java:6.55.0"));
         scope(runtime)
                 .include(dependency("net.sourceforge.pmd:pmd:6.55.0"));
diff --git a/src/main/java/rife/bld/extension/PmdOperation.java b/src/main/java/rife/bld/extension/PmdOperation.java
index 2125be1..1ef78b2 100644
--- a/src/main/java/rife/bld/extension/PmdOperation.java
+++ b/src/main/java/rife/bld/extension/PmdOperation.java
@@ -20,7 +20,7 @@ import net.sourceforge.pmd.PMDConfiguration;
 import net.sourceforge.pmd.PmdAnalysis;
 import net.sourceforge.pmd.RulePriority;
 import net.sourceforge.pmd.lang.LanguageVersion;
-import rife.bld.Project;
+import rife.bld.BaseProject;
 import rife.bld.operations.AbstractOperation;
 
 import java.net.URI;
@@ -122,26 +122,11 @@ public class PmdOperation extends AbstractOperation<PmdOperation> {
     /**
      * The project reference.
      */
-    private Project project;
+    private BaseProject project;
 
     /**
-     * Creates a new operation.
-     * <p>
-     * The defaults are:
-     * <ul>
-     * <li>encoding={@code UTF-9}</li>
-     * <li>incrementAnalysis={@code true}</li>
-     * <li>reportFormat={@code text}</li>
-     * <li>rulePriority={@code LOW}</li>
-     * <li>suppressedMarker={@code NOPMD}</li>
-     * </ul>
-     */
-    public PmdOperation() {
-        super();
-    }
-
-    /**
-     * Creates a new operation.
+     * Configures a PMD operation from a {@link BaseProject}.
+     *
      * <p>
      * The defaults are:
      * <ul>
@@ -156,13 +141,13 @@ public class PmdOperation extends AbstractOperation<PmdOperation> {
      * <li>suppressedMarker={@code NOPMD}</li>
      * </ul>
      */
-    public PmdOperation(Project project) {
-        super();
+    public PmdOperation fromProject(BaseProject project) {
         this.project = project;
 
         inputPaths.add(project.srcMainDirectory().toPath());
         inputPaths.add(project.srcTestDirectory().toPath());
         ruleSets.add(RULE_SET_DEFAULT);
+        return this;
     }
 
     /**
@@ -225,7 +210,7 @@ public class PmdOperation extends AbstractOperation<PmdOperation> {
     }
 
     /**
-     * Set the default language to be used for all input files.
+     * Sets the default language to be used for all input files.
      */
     public PmdOperation defaultLanguage(LanguageVersion... languageVersion) {
         this.languageVersions.addAll(List.of(languageVersion));
@@ -471,7 +456,7 @@ public class PmdOperation extends AbstractOperation<PmdOperation> {
     }
 
     /**
-     * Set the input URI to process for source code objects.
+     * Sets the input URI to process for source code objects.
      */
     public PmdOperation uri(URI inputUri) {
         this.inputUri = inputUri;