diff --git a/pom.xml b/pom.xml
index 12662e6f..ab1b97aa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,11 +55,12 @@
 			<artifactId>appdirs</artifactId>
 			<version>1.1.0</version>
 		</dependency>
-		<!-- H2 -->
+		<!-- HyperSQL DB -->
 		<dependency>
-			<groupId>com.h2database</groupId>
-			<artifactId>h2</artifactId>
-			<version>2.2.220</version>
+			<groupId>org.hsqldb</groupId>
+			<artifactId>hsqldb</artifactId>
+			<version>2.7.2</version>
+			<classifier>jdk8</classifier>
 		</dependency>
 	</dependencies>
 
diff --git a/src/main/java/ece/ing3/java/projet/database/Database.java b/src/main/java/ece/ing3/java/projet/database/Database.java
index 29271800..453d037e 100644
--- a/src/main/java/ece/ing3/java/projet/database/Database.java
+++ b/src/main/java/ece/ing3/java/projet/database/Database.java
@@ -190,7 +190,7 @@ private static Path getEmbeddedUserDatabasePath() {
 	public static String getEmbeddedUserDatabaseUrl() {
 		Path dbPath = getEmbeddedUserDatabasePath();
 		if( dbPath != null ) {
-			return "jdbc:h2:file:" + dbPath.toAbsolutePath();
+			return "jdbc:hsqldb:file:" + dbPath.toAbsolutePath() + ";shutdown=true;sql.syntax_mys=true";
 		}
 		return null;
 	}
diff --git a/src/main/java/ece/ing3/java/projet/enums/JDBCDriver.java b/src/main/java/ece/ing3/java/projet/enums/JDBCDriver.java
index 8d4198c1..358971ce 100644
--- a/src/main/java/ece/ing3/java/projet/enums/JDBCDriver.java
+++ b/src/main/java/ece/ing3/java/projet/enums/JDBCDriver.java
@@ -12,7 +12,7 @@
  */
 public enum JDBCDriver {
 	MySQL( "com.mysql.cj.jdbc.Driver" ),
-	Embedded( "org.h2.Driver" );
+	Embedded( "org.hsqldb.jdbc.JDBCDriver" );
 
 	private static Map<String, JDBCDriver> valueMap;
 	private String className;
diff --git a/src/main/java/ece/ing3/java/projet/utils/Constants.java b/src/main/java/ece/ing3/java/projet/utils/Constants.java
index 6b647b4e..6c62a3d3 100644
--- a/src/main/java/ece/ing3/java/projet/utils/Constants.java
+++ b/src/main/java/ece/ing3/java/projet/utils/Constants.java
@@ -59,7 +59,7 @@ public class Constants {
 	public static final int UI_INPUTLIST_MAXVISIBLEENUMITEMS = 5;
 	public static final Border UI_INPUTLIST_INVALIDVALUE_BORDER = BorderFactory.createMatteBorder( 1, 1, 1, 1, Color.RED );
 
-	public final static String DB_EMBEDDED_DATABASE_FILENAME = "hopitaldb.h2";
+	public final static String DB_EMBEDDED_DATABASE_FILENAME = "hopitaldb.hsql";
 
 	public final static String DB_VALIDATION_QUERY = "select count(numero) from employe;\n" +
 			"select count(numero) from docteur;\n" +
diff --git a/src/main/resources/init.sql b/src/main/resources/init.sql
index 5cd3a26e..630d4566 100644
--- a/src/main/resources/init.sql
+++ b/src/main/resources/init.sql
@@ -27,7 +27,6 @@ create table if not exists service
     nom       varchar(30) not null unique,
     batiment  char(1)     not null,
     directeur decimal(4),
-    constraint employe_uk unique (nom),
     foreign key (directeur) references docteur (numero) on delete set null on update cascade
 );