diff --git a/src/main/resources/db/changelog-20210326_170000-schema.xml b/src/main/resources/db/changelog-20210326_170000-schema.xml
new file mode 100644
index 0000000..08700ab
--- /dev/null
+++ b/src/main/resources/db/changelog-20210326_170000-schema.xml
@@ -0,0 +1,73 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<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-3.1.xsd">
+    <changeSet author="barmina" id="20210326-170000-1">
+        <createTable tableName="repository">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="url" type="text"/>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_repository" tableName="repository"/>
+
+        <createTable tableName="branch">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="name" type="text"/>
+            <column name="repository_id" type="integer"/>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_branch" tableName="branch"/>
+        <addForeignKeyConstraint baseTableName="branch" baseColumnNames="repository_id" constraintName="fk_repository"
+                                 referencedTableName="repository"
+                                 referencedColumnNames="id"/>
+
+        <createTable tableName="author">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="name" type="text"/>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_author" tableName="author"/>
+
+        <createTable tableName="file_change">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="file" type="text"/>
+            <column name="commit_id" type="integer"/>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_file_change" tableName="file_change"/>
+        <addForeignKeyConstraint baseTableName="file_change" baseColumnNames="commit_id" constraintName="fk_commit"
+                                 referencedTableName="commit"
+                                 referencedColumnNames="id"/>
+
+        <createTable tableName="line_change">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="line_from" type="text"/>
+            <column name="line_to" type="text"/>
+            <column name="file_change_id" type="integer"/>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_line_change" tableName="line_change"/>
+        <addForeignKeyConstraint baseTableName="line_change" baseColumnNames="file_change_id"
+                                 constraintName="fk_file_change" referencedTableName="file_change"
+                                 referencedColumnNames="id"/>
+
+        <dropColumn tableName="commit" columnName="author"/>
+        <addColumn tableName="commit">
+            <column name="author_id" type="integer"/>
+        </addColumn>
+        <addColumn tableName="commit">
+            <column name="branch_id" type="integer"/>
+        </addColumn>
+        <addForeignKeyConstraint baseTableName="commit" baseColumnNames="author_id" constraintName="fk_author"
+                                 referencedTableName="author"
+                                 referencedColumnNames="id"/>
+        <addForeignKeyConstraint baseTableName="commit" baseColumnNames="branch_id" constraintName="fk_branch"
+                                 referencedTableName="branch"
+                                 referencedColumnNames="id"/>
+    </changeSet>
+</databaseChangeLog>
\ No newline at end of file
diff --git a/src/main/resources/db/changelog-master.xml b/src/main/resources/db/changelog-master.xml
index b135ee0..90a3c94 100644
--- a/src/main/resources/db/changelog-master.xml
+++ b/src/main/resources/db/changelog-master.xml
@@ -4,4 +4,5 @@
                    xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
                         http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
     <include file="db/changelog-20210317_140000-schema.xml"/>
+    <include file="db/changelog-20210326_170000-schema.xml"/>
 </databaseChangeLog>