diff --git a/lib/build.gradle b/lib/build.gradle
index 28ddd73..0949c23 100644
--- a/lib/build.gradle
+++ b/lib/build.gradle
@@ -13,9 +13,6 @@ dependencies {
     // https://mvnrepository.com/artifact/org.apache.groovy/groovy-templates
     implementation 'org.apache.groovy:groovy-templates:4.0.7'
 
-    // https://mvnrepository.com/artifact/org.apache.groovy/groovy-yaml
-    implementation 'org.apache.groovy:groovy-yaml:4.0.7'
-
     // https://mvnrepository.com/artifact/org.commonmark/commonmark
     implementation 'org.commonmark:commonmark:0.21.0'