diff --git a/plugins/nf-quilt/build.gradle b/plugins/nf-quilt/build.gradle
index 97ac7746..3ec2d824 100644
--- a/plugins/nf-quilt/build.gradle
+++ b/plugins/nf-quilt/build.gradle
@@ -81,7 +81,7 @@ dependencies {
     testImplementation "io.nextflow:nextflow:$nextflowVersion"
     testImplementation ("org.codehaus.groovy:groovy-test:3.0.21") { exclude group: 'org.codehaus.groovy' }
     testImplementation ("cglib:cglib-nodep:3.3.0")
-    testImplementation ("org.objenesis:objenesis:3.3")
+    testImplementation ("org.objenesis:objenesis:3.4")
     testImplementation ("org.spockframework:spock-core:2.3-groovy-3.0") { exclude group: 'org.codehaus.groovy'; exclude group: 'net.bytebuddy' }
     testImplementation ('org.spockframework:spock-junit4:2.3-groovy-3.0') { exclude group: 'org.codehaus.groovy'; exclude group: 'net.bytebuddy' }
     testImplementation ('com.google.jimfs:jimfs:1.3.0')