diff --git a/pom.xml b/pom.xml
index 50d015e..e779ae6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,7 +48,7 @@
       <dependency>
           <groupId>com.zaxxer</groupId>
           <artifactId>HikariCP</artifactId>
-          <version>2.7.2</version>
+          <version>3.3.1</version>
           <scope>compile</scope>
       </dependency>
       <dependency>
diff --git a/src/main/java/org/utplsql/cli/DataSourceProvider.java b/src/main/java/org/utplsql/cli/DataSourceProvider.java
index c9eb9b6..335a6a4 100644
--- a/src/main/java/org/utplsql/cli/DataSourceProvider.java
+++ b/src/main/java/org/utplsql/cli/DataSourceProvider.java
@@ -28,10 +28,7 @@ public static DataSource getDataSource(ConnectionInfo info, int maxConnections )
         ConnectionConfig config = new ConnectionConfig(info.getConnectionString());
         warnIfSysDba(config);
 
-        HikariDataSource pds = new TestedDataSourceProvider(config).getDataSource();
-        pds.setAutoCommit(false);
-        pds.setMaximumPoolSize(maxConnections);
-        return pds;
+        return new TestedDataSourceProvider(config, maxConnections).getDataSource();
     }
 
     private static void requireOjdbc() {
diff --git a/src/main/java/org/utplsql/cli/datasource/TestedDataSourceProvider.java b/src/main/java/org/utplsql/cli/datasource/TestedDataSourceProvider.java
index a9474f5..96fb795 100644
--- a/src/main/java/org/utplsql/cli/datasource/TestedDataSourceProvider.java
+++ b/src/main/java/org/utplsql/cli/datasource/TestedDataSourceProvider.java
@@ -24,9 +24,11 @@ interface ConnectStringPossibility {
     private static final Logger logger = LoggerFactory.getLogger(TestedDataSourceProvider.class);
     private final ConnectionConfig config;
     private final List<ConnectStringPossibility> possibilities = new ArrayList<>();
+    private final int maxConnections;
 
-    public TestedDataSourceProvider(ConnectionConfig config) {
+    public TestedDataSourceProvider(ConnectionConfig config, int maxConnections) {
         this.config = config;
+        this.maxConnections = maxConnections;
 
         possibilities.add(new ThickConnectStringPossibility());
         possibilities.add(new ThinConnectStringPossibility());
@@ -35,6 +37,8 @@ public TestedDataSourceProvider(ConnectionConfig config) {
     public HikariDataSource getDataSource() throws SQLException {
 
         HikariDataSource ds = new HikariDataSource();
+        ds.setAutoCommit(false);
+        ds.setMaximumPoolSize(maxConnections);
 
         setInitSqlFrom_NLS_LANG(ds);
         setThickOrThinJdbcUrl(ds);
diff --git a/src/test/java/org/utplsql/cli/DataSourceProviderIT.java b/src/test/java/org/utplsql/cli/DataSourceProviderIT.java
index 0bef99a..1caaf26 100644
--- a/src/test/java/org/utplsql/cli/DataSourceProviderIT.java
+++ b/src/test/java/org/utplsql/cli/DataSourceProviderIT.java
@@ -23,7 +23,7 @@ void connectToDatabase() throws SQLException {
     //@Test
     void connectAsSysdba() throws SQLException {
         ConnectionConfig config = new ConnectionConfig("sys as sysdba/oracle@localhost:1522/ORCLPDB1");
-        DataSource dataSource = new TestedDataSourceProvider(config).getDataSource();
+        DataSource dataSource = new TestedDataSourceProvider(config, 2).getDataSource();
 
         assertNotNull(dataSource);
     }
@@ -66,7 +66,7 @@ void initNlsLangEmpty() throws SQLException {
 
     private DataSource getDataSource() throws SQLException {
         ConnectionConfig config = new ConnectionConfig(TestHelper.getConnectionString());
-        return new TestedDataSourceProvider(config).getDataSource();
+        return new TestedDataSourceProvider(config, 2).getDataSource();
     }
 
     private void checkNlsSessionParameter( DataSource dataSource, String parameterName, String expectedValue ) throws SQLException {