diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 4f75e9488..d40fc98c3 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -5,9 +5,4 @@
 
 ## Other code changes
 
-* Inclusion of SAXON dependency for processing XSLT
-* Error message spacing correction
-* Basic FTPClient implementation
-* test NPE in markdown processing
-* go-publish support
-* Start implementing loading structure maps with validation
+* no changes
\ No newline at end of file
diff --git a/org.hl7.fhir.convertors/pom.xml b/org.hl7.fhir.convertors/pom.xml
index 7c6f11b97..59f30ac1c 100644
--- a/org.hl7.fhir.convertors/pom.xml
+++ b/org.hl7.fhir.convertors/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>5.6.90-SNAPSHOT</version>
+        <version>5.6.91-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/org.hl7.fhir.dstu2/pom.xml b/org.hl7.fhir.dstu2/pom.xml
index e5a82314d..93397533f 100644
--- a/org.hl7.fhir.dstu2/pom.xml
+++ b/org.hl7.fhir.dstu2/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>5.6.90-SNAPSHOT</version>
+		<version>5.6.91-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/org.hl7.fhir.dstu2016may/pom.xml b/org.hl7.fhir.dstu2016may/pom.xml
index 844c8e5bd..7230e510b 100644
--- a/org.hl7.fhir.dstu2016may/pom.xml
+++ b/org.hl7.fhir.dstu2016may/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>5.6.90-SNAPSHOT</version>
+		<version>5.6.91-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/org.hl7.fhir.dstu3/pom.xml b/org.hl7.fhir.dstu3/pom.xml
index cfcce5413..63b57a441 100644
--- a/org.hl7.fhir.dstu3/pom.xml
+++ b/org.hl7.fhir.dstu3/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>5.6.90-SNAPSHOT</version>
+        <version>5.6.91-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/org.hl7.fhir.r4/pom.xml b/org.hl7.fhir.r4/pom.xml
index 7dbe943e5..3251064b2 100644
--- a/org.hl7.fhir.r4/pom.xml
+++ b/org.hl7.fhir.r4/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>5.6.90-SNAPSHOT</version>
+		<version>5.6.91-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
@@ -70,7 +70,12 @@
 			<version>4.9.0</version>
 			<optional>true</optional>
 		</dependency>
-
+		<dependency>
+			<groupId>org.hl7.fhir.testcases</groupId>
+			<artifactId>fhir-test-cases</artifactId>
+			<version>${validator_test_case_version}</version>
+			<scope>test</scope>
+		</dependency>
 		<!-- Apache POI -->
 		<dependency>
 			<groupId>org.apache.poi</groupId>
diff --git a/org.hl7.fhir.r4b/pom.xml b/org.hl7.fhir.r4b/pom.xml
index de154fd07..d6de72b2f 100644
--- a/org.hl7.fhir.r4b/pom.xml
+++ b/org.hl7.fhir.r4b/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>5.6.90-SNAPSHOT</version>
+		<version>5.6.91-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/org.hl7.fhir.r5/pom.xml b/org.hl7.fhir.r5/pom.xml
index 0ab0c74a6..6b9498019 100644
--- a/org.hl7.fhir.r5/pom.xml
+++ b/org.hl7.fhir.r5/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>5.6.90-SNAPSHOT</version>
+		<version>5.6.91-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/org.hl7.fhir.report/pom.xml b/org.hl7.fhir.report/pom.xml
index 951c4ad93..7ad5ad974 100644
--- a/org.hl7.fhir.report/pom.xml
+++ b/org.hl7.fhir.report/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>5.6.90-SNAPSHOT</version>
+        <version>5.6.91-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/org.hl7.fhir.utilities/pom.xml b/org.hl7.fhir.utilities/pom.xml
index 31511e513..937dca2c9 100644
--- a/org.hl7.fhir.utilities/pom.xml
+++ b/org.hl7.fhir.utilities/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>5.6.90-SNAPSHOT</version>
+        <version>5.6.91-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
@@ -89,7 +89,7 @@
         <dependency>
             <groupId>commons-net</groupId>
             <artifactId>commons-net</artifactId>
-            <version>3.6</version>
+            <version>3.9.0</version>
         </dependency>
 
         <!-- JUnit Jupiter -->
diff --git a/org.hl7.fhir.utilities/src/test/java/org/hl7/fhir/utilities/FTPClientTest.java b/org.hl7.fhir.utilities/src/test/java/org/hl7/fhir/utilities/FTPClientTest.java
index a8bba306b..37d985343 100644
--- a/org.hl7.fhir.utilities/src/test/java/org/hl7/fhir/utilities/FTPClientTest.java
+++ b/org.hl7.fhir.utilities/src/test/java/org/hl7/fhir/utilities/FTPClientTest.java
@@ -4,10 +4,7 @@ package org.hl7.fhir.utilities;
 import org.apache.commons.io.IOUtils;
 import org.hl7.fhir.utilities.tests.ResourceLoaderTests;
 import org.jetbrains.annotations.NotNull;
-import org.junit.jupiter.api.AfterAll;
-import org.junit.jupiter.api.BeforeAll;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.TestInstance;
+import org.junit.jupiter.api.*;
 import org.mockftpserver.fake.FakeFtpServer;
 import org.mockftpserver.fake.UserAccount;
 import org.mockftpserver.fake.filesystem.*;
@@ -53,7 +50,7 @@ public class FTPClientTest implements ResourceLoaderTests {
 
   String dummyFileContent;
 
-  @BeforeAll
+  @BeforeEach
   public void setup() throws IOException {
     setupDummyFileToUpload();
     setupFakeFtpDirectory();
@@ -106,7 +103,7 @@ public class FTPClientTest implements ResourceLoaderTests {
     dummyUploadedFilePath = relativePath2.resolve(DUMMY_FILE_TO_UPLOAD);
   }
 
-  @AfterAll
+  @AfterEach
   public void tearDownFakeFtpServer() {
     fakeFtpServer.stop();
   }
@@ -140,6 +137,7 @@ public class FTPClientTest implements ResourceLoaderTests {
 
     client.delete( RELATIVE_PATH_2 + "/" + DUMMY_FILE_TO_DELETE);
     assertFalse(fakeFtpServer.getFileSystem().exists(deleteFilePath));
+    client.disconnect();
  }
 
   @NotNull
diff --git a/org.hl7.fhir.validation.cli/pom.xml b/org.hl7.fhir.validation.cli/pom.xml
index 16786422b..526679a02 100644
--- a/org.hl7.fhir.validation.cli/pom.xml
+++ b/org.hl7.fhir.validation.cli/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>5.6.90-SNAPSHOT</version>
+        <version>5.6.91-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/org.hl7.fhir.validation/pom.xml b/org.hl7.fhir.validation/pom.xml
index f5b0312e2..e7d622f9c 100644
--- a/org.hl7.fhir.validation/pom.xml
+++ b/org.hl7.fhir.validation/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>5.6.90-SNAPSHOT</version>
+        <version>5.6.91-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index 79ccf4707..b0a93aba0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,12 +14,12 @@
     HAPI FHIR
     -->
     <artifactId>org.hl7.fhir.core</artifactId>
-    <version>5.6.90-SNAPSHOT</version>
+    <version>5.6.91-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <properties>
         <hapi_fhir_version>6.2.1</hapi_fhir_version>
-        <validator_test_case_version>1.2.7-SNAPSHOT</validator_test_case_version>
+        <validator_test_case_version>1.2.7</validator_test_case_version>
         <junit_jupiter_version>5.7.1</junit_jupiter_version>
         <junit_platform_launcher_version>1.8.2</junit_platform_launcher_version>
         <maven_surefire_version>3.0.0-M5</maven_surefire_version>