diff --git a/src/main/java/org/olat/upgrade/_spring/databaseUpgradeContext.xml b/src/main/java/org/olat/upgrade/_spring/databaseUpgradeContext.xml
index 6dc91bcec10bdce6b6e85f1c85dc902e647e264f..928808301937963e110b29d158c445e67daee043 100644
--- a/src/main/java/org/olat/upgrade/_spring/databaseUpgradeContext.xml
+++ b/src/main/java/org/olat/upgrade/_spring/databaseUpgradeContext.xml
@@ -140,6 +140,10 @@
 					<constructor-arg index="0" value="OLAT_11.5.0" />
 					<property name="alterDbStatements" value="alter_11_4_x_to_11_5_0.sql" />
 				</bean>
+				<bean id="database_upgrade_11_5_1" class="org.olat.upgrade.DatabaseUpgrade">
+					<constructor-arg index="0" value="OLAT_11.5.1" />
+					<property name="alterDbStatements" value="alter_11_5_0_to_11_5_1.sql" />
+				</bean>
 			</list>
 		</property>
 	</bean>
diff --git a/src/main/resources/database/mysql/alter_11_5_0_to_11_5_1.sql b/src/main/resources/database/mysql/alter_11_5_0_to_11_5_1.sql
new file mode 100644
index 0000000000000000000000000000000000000000..2b27d0e475b7ac1e5c36e90bd29845e20882dc93
--- /dev/null
+++ b/src/main/resources/database/mysql/alter_11_5_0_to_11_5_1.sql
@@ -0,0 +1 @@
+alter table o_gta_task_list drop column g_roundrobin;
\ No newline at end of file
diff --git a/src/main/resources/database/oracle/alter_11_5_0_to_11_5_1.sql b/src/main/resources/database/oracle/alter_11_5_0_to_11_5_1.sql
new file mode 100644
index 0000000000000000000000000000000000000000..2b27d0e475b7ac1e5c36e90bd29845e20882dc93
--- /dev/null
+++ b/src/main/resources/database/oracle/alter_11_5_0_to_11_5_1.sql
@@ -0,0 +1 @@
+alter table o_gta_task_list drop column g_roundrobin;
\ No newline at end of file
diff --git a/src/main/resources/database/postgresql/alter_11_5_0_to_11_5_1.sql b/src/main/resources/database/postgresql/alter_11_5_0_to_11_5_1.sql
new file mode 100644
index 0000000000000000000000000000000000000000..2b27d0e475b7ac1e5c36e90bd29845e20882dc93
--- /dev/null
+++ b/src/main/resources/database/postgresql/alter_11_5_0_to_11_5_1.sql
@@ -0,0 +1 @@
+alter table o_gta_task_list drop column g_roundrobin;
\ No newline at end of file