diff --git a/build.gradle b/build.gradle
index 3d212f74..c3a3d975 100644
--- a/build.gradle
+++ b/build.gradle
@@ -75,7 +75,7 @@ dependencies {
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'com.squareup.okhttp3:okhttp:4.9.3'
     testImplementation 'ca.uhn.hapi.fhir:hapi-fhir-validation:5.5.3'
-    testImplementation 'ca.uhn.hapi.fhir:hapi-fhir-validation-resources-dstu3:5.6.1'
+    testImplementation 'ca.uhn.hapi.fhir:hapi-fhir-validation-resources-dstu3:6.4.4'
     testImplementation 'ca.uhn.hapi.fhir:hapi-fhir-validation-resources-dstu2:5.6.1'
     testImplementation 'ca.uhn.hapi.fhir:hapi-fhir-validation-resources-r4:5.6.1'
     testImplementation 'com.helger:ph-schematron:5.6.5'