diff --git a/pom.xml b/pom.xml
index 8f90728969ea095be6ef6039b8f132db42664066..5e2c209b7cc257340bf13a5b2f02074c115568a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -253,8 +253,8 @@
 				<jdbc.driver.class>org.postgresql.Driver</jdbc.driver.class>
 				<jdbc.user>gazelle</jdbc.user>
 				<jdbc.password>gazelle</jdbc.password>
-				<min.pool.size>10</min.pool.size>
-				<max.pool.size>50</max.pool.size>
+				<min.pool.size>1</min.pool.size>
+				<max.pool.size>5</max.pool.size>
 
 				<!-- pki datasource configuration -->
 				<jdbc.pki.connection.url>jdbc:postgresql://jumbo.irisa.fr/tls-simulator</jdbc.pki.connection.url>