diff --git a/pom.xml b/pom.xml
index 55bf600709..37e49f9ade 100644
--- a/pom.xml
+++ b/pom.xml
@@ -267,6 +267,9 @@ tools.jackson.core.*;version=${project.version}
                 <include>module-info.*</include>
                 <include>tools/jackson/core/testutil/**/*.*</include>
               </includes>
+              <excludes>
+              </excludes>
+
             </configuration>
           </execution>
         </executions>
diff --git a/src/test/java/module-info.java b/src/test/java/module-info.java
index 3ee1470f49..84c32dc0a5 100644
--- a/src/test/java/module-info.java
+++ b/src/test/java/module-info.java
@@ -3,16 +3,18 @@
 module tools.jackson.core.testutil
 {
     // Additional test lib/framework dependencies
-    requires org.assertj.core;
-    requires org.junit.jupiter.api;
-    requires org.junit.jupiter.params;
+    requires transitive org.assertj.core;
+    requires transitive org.junit.jupiter.api;
+    requires transitive org.junit.jupiter.params;
 
     // Requires Main jar for tests
     requires tools.jackson.core;
 
-    // Exports a small set of Classes for downstream Jackson components
+    // Exports/opens a small set of Classes for downstream Jackson components
     exports tools.jackson.core.testutil;
     exports tools.jackson.core.testutil.failure;
+    opens tools.jackson.core.testutil;
+    opens tools.jackson.core.testutil.failure;
 
     // Additional test opens for JUnit tests
 
@@ -31,7 +33,6 @@
     opens tools.jackson.core.unittest.jsonptr;
     opens tools.jackson.core.unittest.read;
     opens tools.jackson.core.unittest.read.loc;
-    opens tools.jackson.core.testutil.failure;
     opens tools.jackson.core.unittest.tofix;
     opens tools.jackson.core.unittest.tofix.async;
     opens tools.jackson.core.unittest.sym;