diff --git a/.travis.yml b/.travis.yml
index 44ad3ea..b218a3d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ services:
   - docker
 
 jdk:
-  - oraclejdk8
+  - openjdk8
 
 env:
   global:
@@ -42,6 +42,8 @@ matrix:
     jdk: openjdk11
   - env: UTPLSQL_VERSION="v3.1.7"
     jdk: openjdk12
+  - env: UTPLSQL_VERSION="v3.1.7"
+    jdk: openjdk13
 
 before_cache:
   - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 7164994..b47bbbf 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -8,20 +8,6 @@ https://maven.apache.org/install.html
 
 *Don't forget to configure your JAVA_HOME environment variable.*
 
-### Oracle Maven Repository
-The library uses OJDBC Driver to connect to the database, it's added as a maven dependency. To be able to download the Oracle dependencies, you need to configure your access to Oracle's Maven Repository:
-Create file `gradle.properties` in the root directory of the repository and place OTN credentials there:
-```properties
-ORACLE_OTN_USER=user@email.com
-ORACLE_OTN_PASSWORD=password
-```
-
-After configuring your access to Oracle's Maven repository, you will be able to successfully build this API by disabling integration tests.
-
-```bash
-./gradlew build -x intTest
-```
-
 ### Local database with utPLSQL and utPLSQL-demo-project
 
 To usefully contribute you'll have to setup a local database with installed [latest utPLSQL v3](https://github.com/utPLSQL/utPLSQL) and [utPLSQL-demo-project](https://github.com/utPLSQL/utPLSQL-demo-project). 
@@ -35,6 +21,11 @@ When you have local database set up you can run the complete build including int
 ./gradlew build
 ```
 
+To build the project without local database you may disable integration tests.
+```bash
+./gradlew build -x intTest
+```
+
 ### Skip the local database part
 
 If you want to skip the local database part, just run ``./gradlew test``. 
diff --git a/build.gradle.kts b/build.gradle.kts
index 61829c0..c60e074 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -10,8 +10,8 @@ val baseVersion = "3.1.8-SNAPSHOT"
 version = if (tag != null && "^[0-9.]+$".toRegex().matches(tag)) tag else baseVersion
 
 val coverageResourcesVersion = "1.0.1"
-val ojdbcVersion = "12.2.0.1"
-val junitVersion = "5.5.0"
+val ojdbcVersion = "19.3.0.0"
+val junitVersion = "5.5.2"
 
 val deployerJars by configurations.creating
 
@@ -29,14 +29,6 @@ java {
 
 // In this section you declare where to find the dependencies of your project
 repositories {
-    maven {
-        url = uri("https://www.oracle.com/content/secure/maven/content")
-        credentials {
-            // you may set this properties using gradle.properties file in the root of the project or in your GRADLE_HOME
-            username = (project.findProperty("ORACLE_OTN_USER") as String?) ?: System.getenv("ORACLE_OTN_USER")
-            password = (project.findProperty("ORACLE_OTN_PASSWORD") as String?) ?: System.getenv("ORACLE_OTN_PASSWORD")
-        }
-    }
     mavenCentral()
     jcenter()
 }
@@ -47,10 +39,10 @@ dependencies {
 
     // This dependency is used internally, and not exposed to consumers on their own compile classpath.
     implementation("org.slf4j:slf4j-api:1.7.26")
-    implementation("com.oracle.jdbc:ojdbc8:$ojdbcVersion") {
-        exclude(group = "com.oracle.jdbc")
+    implementation("com.oracle.ojdbc:ojdbc8:$ojdbcVersion") {
+        exclude(group = "com.oracle.ojdbc")
     }
-    implementation("com.oracle.jdbc:orai18n:$ojdbcVersion")
+    implementation("com.oracle.ojdbc:orai18n:$ojdbcVersion")
 
     // Use Jupiter test framework
     testImplementation("org.junit.jupiter:junit-jupiter:$junitVersion")