diff --git a/pom.xml b/pom.xml
index 414215eca..4e2886cb1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
     HAPI FHIR
     -->
     <artifactId>org.hl7.fhir.core</artifactId>
-    <version>6.3.33-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <properties>
@@ -22,7 +22,7 @@
         <commons_io_version>2.17.0</commons_io_version>
         <guava_version>32.0.1-jre</guava_version>
         <hapi_fhir_version>6.4.1</hapi_fhir_version>
-        <validator_test_case_version>1.5.28-SNAPSHOT</validator_test_case_version>
+        <validator_test_case_version>1.6.0-SNAPSHOT</validator_test_case_version>
         <jackson_version>2.17.0</jackson_version>
         <junit_jupiter_version>5.9.2</junit_jupiter_version>
         <junit_platform_launcher_version>1.8.2</junit_platform_launcher_version>