diff --git a/build.gradle b/build.gradle
index eb85a7c..a485f80 100644
--- a/build.gradle
+++ b/build.gradle
@@ -39,7 +39,7 @@ dependencies {
   xjcClasspath("org.jvnet.jaxb2_commons:jaxb2-fluent-api:3.0")
   xjcClasspath("org.jvnet.jaxb2_commons:jaxb2-basics-annotate:1.1.0")
 
-  compileOnly("org.codehaus.groovy:groovy-all:3.0.19")
+  compileOnly("org.codehaus.groovy:groovy-all:3.0.20")
 
   implementation("javax.xml.bind:jaxb-api:2.3.1")
   implementation("org.glassfish.jaxb:jaxb-runtime:2.3.9")