diff --git a/etc/samples.fbp b/etc/samples.fbp
index 39b471f3..933ddc6d 100755
--- a/etc/samples.fbp
+++ b/etc/samples.fbp
@@ -2,10 +2,10 @@
   <Jar>../target/classes/samples</Jar>
   <AuxClasspathEntry>../lib/asm-debug-all-5.0.2.jar</AuxClasspathEntry>
   <AuxClasspathEntry>../lib/backport-util-concurrent-3.1.jar</AuxClasspathEntry>
-  <AuxClasspathEntry>../lib/commons-codec-1.10.jar</AuxClasspathEntry>
+  <AuxClasspathEntry>../lib/commons-codec-1.16.0.jar</AuxClasspathEntry>
   <AuxClasspathEntry>../lib/commons-collections-3.2.2.jar</AuxClasspathEntry>
-  <AuxClasspathEntry>../lib/commons-lang3-3.4.jar</AuxClasspathEntry>
-  <AuxClasspathEntry>../lib/guava-19.0.jar</AuxClasspathEntry>
+  <AuxClasspathEntry>../lib/commons-lang3-3.14.0.jar</AuxClasspathEntry>
+  <AuxClasspathEntry>../lib/guava-33.0.0-jre.jar</AuxClasspathEntry>
   <AuxClasspathEntry>../lib/httpclient-4.5.2.jar</AuxClasspathEntry>
   <AuxClasspathEntry>../lib/httpclient-cache-4.5.2.jar</AuxClasspathEntry>
   <AuxClasspathEntry>../lib/httpcore-4.4.5.jar</AuxClasspathEntry>
diff --git a/src/samples/java/ex/OPM_Sample.java b/src/samples/java/ex/OPM_Sample.java
index f769fa79..c033b3bf 100644
--- a/src/samples/java/ex/OPM_Sample.java
+++ b/src/samples/java/ex/OPM_Sample.java
@@ -62,6 +62,17 @@ public int getFPFoo() {
     public void doIt() {
         Executors.newSingleThreadScheduledExecutor().scheduleAtFixedRate(Writer::fpFlush, 1L, 1L, TimeUnit.SECONDS);
     }
+    
+    static class OPM468 {
+    	@Override
+    	public boolean equals(Object o) {
+    		if (!(o instanceof OPM468)) {
+    			return false;
+    		}
+    		
+    		return true;
+    	}
+    }
 }
 
 abstract class OPMSuper {