diff --git a/basic/amqp/README.md b/basic/amqp/README.md
index defe3cca..6adb122c 100644
--- a/basic/amqp/README.md
+++ b/basic/amqp/README.md
@@ -81,7 +81,7 @@ Ctrl-C to terminate.
 
 For further help please take a look at the Spring Integration documentation:
 
-* [https://docs.spring.io/spring-integration/reference/htmlsingle/#amqp](https://docs.spring.io/spring-integration/reference/htmlsingle/#amqp)
+* [https://docs.spring.io/spring-integration/reference/html/#amqp](https://docs.spring.io/spring-integration/reference/html/#amqp)
 
 Some further resources:
 
diff --git a/basic/enricher/src/main/resources/META-INF/spring/integration/spring-integration-context.xml b/basic/enricher/src/main/resources/META-INF/spring/integration/spring-integration-context.xml
index 95501e07..73f8226f 100644
--- a/basic/enricher/src/main/resources/META-INF/spring/integration/spring-integration-context.xml
+++ b/basic/enricher/src/main/resources/META-INF/spring/integration/spring-integration-context.xml
@@ -13,7 +13,7 @@
     <int:channel id="findUserByUsernameServiceChannel"/>
 
     <!-- See also:
-        https://docs.spring.io/spring-integration/reference/htmlsingle/#gateway-proxy
+        https://docs.spring.io/spring-integration/reference/html/#gateway
         https://www.enterpriseintegrationpatterns.com/MessagingGateway.html -->
     <int:gateway id="userGateway" default-request-timeout="5000"
                  default-reply-timeout="5000"
diff --git a/basic/jdbc/src/main/resources/META-INF/spring/integration/spring-integration-context.xml b/basic/jdbc/src/main/resources/META-INF/spring/integration/spring-integration-context.xml
index ec80d179..9d61e1c7 100644
--- a/basic/jdbc/src/main/resources/META-INF/spring/integration/spring-integration-context.xml
+++ b/basic/jdbc/src/main/resources/META-INF/spring/integration/spring-integration-context.xml
@@ -14,7 +14,7 @@
 	</jdbc:embedded-database>
 
 	<!-- See also:
-		https://docs.spring.io/spring-integration/reference/htmlsingle/#gateway-proxy
+		https://docs.spring.io/spring-integration/reference/html/#gateway
 		https://www.enterpriseintegrationpatterns.com/MessagingGateway.html -->
 
 	<int:channel id="createPersonRequestChannel"/>
diff --git a/basic/tcp-amqp/README.md b/basic/tcp-amqp/README.md
index 2db24d2a..2e7a1d6c 100644
--- a/basic/tcp-amqp/README.md
+++ b/basic/tcp-amqp/README.md
@@ -53,7 +53,7 @@ Data typed into the telnet terminal will be echoed to the [netcat][] terminal, v
 
 For further help please take a look at the Spring Integration documentation:
 
-* [https://docs.spring.io/spring-integration/reference/htmlsingle/#amqp](https://docs.spring.io/spring-integration/reference/htmlsingle/#amqp)
+* [https://docs.spring.io/spring-integration/reference/html/#amqp](https://docs.spring.io/spring-integration/reference/html/#amqp)
 
 Some further resources:
 
diff --git a/build.gradle b/build.gradle
index 7d3bf397..d2ce08cd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -210,12 +210,12 @@ subprojects { subproject ->
 			postgresVersion = '42.0.0'
 			subethasmtpVersion = '1.2'
 			slf4jVersion = '1.7.25'
-			springIntegrationVersion = '5.1.3.RELEASE'
-			springIntegrationKafkaVersion = '3.1.1.RELEASE'
-			springIntegrationSocialTwiterVersion = '1.0.0.RELEASE'
-			springIntegrationSplunkVersion = '1.1.0.RELEASE'
-			springKafkaVersion = '2.2.3.RELEASE'
-			springVersion = '5.1.5.RELEASE'
+			springIntegrationVersion = '5.1.4.BUILD-SNAPSHOT'
+			springIntegrationKafkaVersion = '3.1.2.BUILD-SNAPSHOT'
+			springIntegrationSocialTwiterVersion = '1.0.1.BUILD-SNAPSHOT'
+			springIntegrationSplunkVersion = '1.2.0.BUILD-SNAPSHOT'
+			springKafkaVersion = '2.2.4.RELEASE'
+			springVersion = '5.1.6.BUILD-SNAPSHOT'
 			springSecurityVersion = '5.1.4.RELEASE'
 			springWebFlowVersion = '2.3.3.RELEASE'
 			tilesJspVersion = '2.2.1'
diff --git a/gradle.properties b/gradle.properties
index 2cb4ed47..7e214ca8 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,2 +1,2 @@
 version=5.1.1.BUILD-SNAPSHOT
-springBootVersion=2.1.3.RELEASE
+springBootVersion=2.1.4.BUILD-SNAPSHOT