diff --git a/build.gradle b/build.gradle
index 788b281..7a9054d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -60,7 +60,7 @@ dependencies {
     implementation 'org.projectlombok:lombok:1.18.38'
 
     implementation 'com.jcabi:jcabi-xml:0.35.0'
-    implementation 'com.helger.schematron:ph-schematron-pure:7.1.2'
+    implementation 'com.helger.schematron:ph-schematron-pure:9.0.0'
     implementation 'com.github.vladimir-bukhtoyarov:bucket4j-core:7.6.1'
 
     implementation 'com.opencsv:opencsv:5.12.0'