diff --git a/backend/src/main/resources/application-ollama.properties b/backend/src/main/resources/application-ollama.properties
new file mode 100644
index 0000000..72d781a
--- /dev/null
+++ b/backend/src/main/resources/application-ollama.properties
@@ -0,0 +1,2 @@
+spring.ai.ollama.base-url=${OLLAMA-BASE-URL:http://localhost:11434}
+spring.liquibase.change-log=classpath:/dbchangelog/db.changelog-master-ollama.xml
\ No newline at end of file
diff --git a/backend/src/main/resources/application.properties b/backend/src/main/resources/application.properties
index 2baa063..4702d21 100644
--- a/backend/src/main/resources/application.properties
+++ b/backend/src/main/resources/application.properties
@@ -30,4 +30,3 @@ server.servlet.session.timeout=30s
 
 spring.jackson.parser.allow-unquoted-control-chars=true
 spring.ai.openai.api-key=${OPENAI-API-KEY:23418pajkfdsadlöa}
-spring.ai.ollama.base-url=${OLLAMA-BASE-URL:http://localhost:11434}
diff --git a/backend/src/main/resources/dbchangelog/changes/db.changelog-1-ollama.xml b/backend/src/main/resources/dbchangelog/changes/db.changelog-1-ollama.xml
new file mode 100644
index 0000000..b4e6d6d
--- /dev/null
+++ b/backend/src/main/resources/dbchangelog/changes/db.changelog-1-ollama.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright 2019 Sven Loesekann Licensed under the Apache License, Version 
+	2.0 (the "License"); you may not use this file except in compliance with 
+	the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 
+	Unless required by applicable law or agreed to in writing, software distributed 
+	under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES 
+	OR CONDITIONS OF ANY KIND, either express or implied. See the License for 
+	the specific language governing permissions and limitations under the License. -->
+<databaseChangeLog
+	xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+                      http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.8.xsd">
+	<changeSet id="8" author="angular2guy">
+		<modifyDataType tableName="vector_store" columnName="embedding" newDataType="vector(384)"/> 
+	</changeSet>
+</databaseChangeLog>
\ No newline at end of file
diff --git a/backend/src/main/resources/dbchangelog/db.changelog-master-ollama.xml b/backend/src/main/resources/dbchangelog/db.changelog-master-ollama.xml
new file mode 100644
index 0000000..48a2795
--- /dev/null
+++ b/backend/src/main/resources/dbchangelog/db.changelog-master-ollama.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--  Copyright 2019 Sven Loesekann
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+       http://www.apache.org/licenses/LICENSE-2.0
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ -->
+<databaseChangeLog  
+  xmlns="http://www.liquibase.org/xml/ns/dbchangelog"  
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
+  xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+                      http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.8.xsd"> 
+
+	<include  file="changes/db.changelog-1.xml" relativeToChangelogFile="true"/>
+	<include  file="changes/db.changelog-1-ollama.xml" relativeToChangelogFile="true"/>
+	
+	<include file="db.changelog-loaddata.xml" relativeToChangelogFile="true"/>
+	
+</databaseChangeLog>
\ No newline at end of file