diff --git a/.travis.deploy.artifacts.sh b/.travis.deploy.artifacts.sh
deleted file mode 100644
index d6f9804c..00000000
--- a/.travis.deploy.artifacts.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-PROJECT_VERSION=$(mvn org.apache.maven.plugins:maven-help-plugin:evaluate -Dexpression=project.version -B | grep -v '\[')
-if [[ "$PROJECT_VERSION" =~ .*SNAPSHOT ]] && [[ "${TRAVIS_BRANCH}" =~ ^master$|^[0-9]+\.[0-9]+$ ]] && [[ "${TRAVIS_PULL_REQUEST}" = "false" ]];
-then
-  mvn deploy -s .travis.maven.settings.xml -DskipTests -B;
-fi
diff --git a/.travis.maven.settings.xml b/.travis.maven.settings.xml
index cd8c4445..4561e311 100644
--- a/.travis.maven.settings.xml
+++ b/.travis.maven.settings.xml
@@ -7,9 +7,9 @@
 
   <servers>
     <server>
-      <id>sonatype-nexus-snapshots</id>
-      <username>${env.SONATYPE_NEXUS_USERNAME}</username>
-      <password>${env.SONATYPE_NEXUS_PASSWORD}</password>
+      <id>vertx-snapshots-repository</id>
+      <username>${env.VERTX_NEXUS_USERNAME}</username>
+      <password>${env.VERTX_NEXUS_PASSWORD}</password>
     </server>
   </servers>
 
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 50fa323b..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-language: java
-branches:
-  only:
-  - master
-  - /^\d+\.\d+$/
-services:
-- docker
-jobs:
-  include:
-    - stage: test
-      name: "OpenJDK 8"
-      jdk: openjdk8
-      script: mvn -q clean verify -B && mvn -P testNativeTransport -q clean verify -B
-#    - if: type != pull_request
-#      name: "OpenJDK 11"
-#      jdk: openjdk11
-#      script: mvn -q clean verify -B
-    - stage: deploy
-      name: "Deploy to Sonatype's snapshots repository"
-      jdk: openjdk8
-      if: type != pull_request AND env(SONATYPE_NEXUS_USERNAME) IS present
-      script: bash .travis.deploy.artifacts.sh
-notifications:
-  email:
-    recipients:
-      - secure: "GPQz+JoRrZ1zEWrScvl8hxDZzr5fZAAGCteqXDygmRQD36vnzKhrB6w6BB8FcVkQC+ZXMVg8eGnHOERs8uy6vM8DMj76hMZaKanQTinFe7Zt9oEInVOTF7GBfcdiQtmEqYQjyhfg9K0sdQjscfr1HPlr3DqYw3WIK7dyl9OxUvY="
-    on_success: always
-    on_failure: always
diff --git a/pom.xml b/pom.xml
index 4f3b52f6..b8b90972 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,50 +1,84 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-  <parent>
-    <groupId>io.vertx</groupId>
-    <artifactId>vertx-ext-parent</artifactId>
-    <version>34</version>
-  </parent>
-
-  <packaging>pom</packaging>
-  <modelVersion>4.0.0</modelVersion>
-
-  <artifactId>vertx-mysql-postgresql-client-parent</artifactId>
-  <version>3.8.6-SNAPSHOT</version>
-
-  <name>Vert.x MySQL/PostgreSQL Client Parent</name>
-
-  <properties>
-    <stack.version>3.8.6-SNAPSHOT</stack.version>
-    <doc.skip>true</doc.skip>
-  </properties>
-
-  <repositories>
-    <repository>
-      <id>spring-repo</id>
-      <name>Spring Repository</name>
-      <url>https://repo.spring.io/libs-milestone</url>
-    </repository>
-    <repository>
-      <id>jcenter</id>
-      <url>https://jcenter.bintray.com/</url>
-    </repository>
-  </repositories>
-
-  <dependencyManagement>
-    <dependencies>
-      <dependency>
+      
+    <parent>
+            
         <groupId>io.vertx</groupId>
-        <artifactId>vertx-dependencies</artifactId>
-        <version>${stack.version}</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
-    </dependencies>
-  </dependencyManagement>
-
-  <modules>
-    <module>vertx-mysql-postgresql-client-jasync</module>
-    <module>vertx-mysql-postgresql-client-scala</module>
-  </modules>
+            
+        <artifactId>vertx-ext-parent</artifactId>
+            
+        <version>38</version>
+          
+    </parent>
+      
+    <packaging>pom</packaging>
+      
+    <modelVersion>4.0.0</modelVersion>
+      
+    <artifactId>vertx-mysql-postgresql-client-parent</artifactId>
+      
+    <version>3.9.17-SNAPSHOT</version>
+      
+    <name>Vert.x MySQL/PostgreSQL Client Parent</name>
+      
+    <properties>
+            
+        <stack.version>3.9.17-SNAPSHOT</stack.version>
+            
+        <doc.skip>true</doc.skip>
+          
+    </properties>
+      
+    <repositories>
+            
+        <repository>
+                  
+            <id>spring-repo</id>
+                  
+            <name>Spring Repository</name>
+                  
+            <url>https://repo.spring.io/libs-milestone</url>
+                
+        </repository>
+            
+        <repository>
+                  
+            <id>jcenter</id>
+                  
+            <url>https://jcenter.bintray.com/</url>
+                
+        </repository>
+          
+    </repositories>
+      
+    <dependencyManagement>
+            
+        <dependencies>
+                  
+            <dependency>
+                        
+                <groupId>io.vertx</groupId>
+                        
+                <artifactId>vertx-dependencies</artifactId>
+                        
+                <version>${stack.version}</version>
+                        
+                <type>pom</type>
+                        
+                <scope>import</scope>
+                      
+            </dependency>
+                
+        </dependencies>
+          
+    </dependencyManagement>
+      
+    <modules>
+            
+        <module>vertx-mysql-postgresql-client-jasync</module>
+            
+        <module>vertx-mysql-postgresql-client-scala</module>
+          
+    </modules>
+    
 </project>
diff --git a/vertx-mysql-postgresql-client-jasync/pom.xml b/vertx-mysql-postgresql-client-jasync/pom.xml
index 5988f6c7..e5ede69c 100644
--- a/vertx-mysql-postgresql-client-jasync/pom.xml
+++ b/vertx-mysql-postgresql-client-jasync/pom.xml
@@ -4,7 +4,7 @@
     <groupId>io.vertx</groupId>
     <artifactId>vertx-mysql-postgresql-client-parent</artifactId>
     <relativePath>../</relativePath>
-    <version>3.8.6-SNAPSHOT</version>
+    <version>3.9.17-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
@@ -85,7 +85,7 @@
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <scope>test</scope>
-      <version>4.12</version>
+      <version>4.13.1</version>
     </dependency>
     <dependency>
       <groupId>com.jayway.awaitility</groupId>
diff --git a/vertx-mysql-postgresql-client-scala/pom.xml b/vertx-mysql-postgresql-client-scala/pom.xml
index 9ffa192a..3ce97aa8 100644
--- a/vertx-mysql-postgresql-client-scala/pom.xml
+++ b/vertx-mysql-postgresql-client-scala/pom.xml
@@ -4,13 +4,13 @@
     <groupId>io.vertx</groupId>
     <artifactId>vertx-mysql-postgresql-client-parent</artifactId>
     <relativePath>../</relativePath>
-    <version>3.8.6-SNAPSHOT</version>
+    <version>3.9.17-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
 
   <artifactId>vertx-mysql-postgresql-client</artifactId>
-  <version>3.8.6-SNAPSHOT</version>
+  <version>3.9.17-SNAPSHOT</version>
 
   <name>Vert.x MySQL/PostgreSQL Client based on Scala</name>
 
@@ -103,7 +103,7 @@
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <scope>test</scope>
-      <version>4.12</version>
+      <version>4.13.1</version>
     </dependency>
     <dependency>
       <groupId>com.jayway.awaitility</groupId>