diff --git a/.gitignore b/.gitignore
index 4d51f698..c2d91ac2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,4 +9,7 @@ target/
 
 # IntelliJ
 /.idea
-*.iml
\ No newline at end of file
+*.iml
+
+# https://github.com/liquibase/liquibase/issues/2196
+/derby.log
diff --git a/pom.xml b/pom.xml
index bea11857..1f877816 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-parent-ws</artifactId>
-        <version>17</version>
+        <version>18</version>
         <relativePath/>
     </parent>
 
diff --git a/src/test/resources/application-default.yml b/src/test/resources/application-default.yml
index a3aee8bf..cf0be1aa 100644
--- a/src/test/resources/application-default.yml
+++ b/src/test/resources/application-default.yml
@@ -6,7 +6,7 @@ spring:
       hibernate.format_sql: true
       hibernate.generate_statistics: true
     hibernate:
-      #to turn off schema validation that fails (because of clob types) and blocks tests even if the the schema is compatible
+      #to turn off schema validation that fails (because of clob types) and blocks tests even if the schema is compatible
       ddl-auto: none
 
 logging: