diff --git a/resources/migrations/010_add_revision_table.yaml b/resources/migrations/010_add_revision_table.yaml
index 28c3568d39d3186a872dfc3ee109f1119786de86..95b0a4bfd7f064e2e24faaa8c87cdc6ed70feada 100644
--- a/resources/migrations/010_add_revision_table.yaml
+++ b/resources/migrations/010_add_revision_table.yaml
@@ -61,3 +61,8 @@ databaseChangeLog:
             replace:
               replace: WITHOUT
               with: WITH
+        - modifySql:
+            dbms: mysql
+            replace:
+              replace: object VARCHAR
+              with: object TEXT
diff --git a/resources/migrations/013_add_activity_table.yaml b/resources/migrations/013_add_activity_table.yaml
index b004692c1fe73dbea9a646066dcc92a5cf77da54..8ba808a23af036a133fbb2c866f7acf5796182ae 100644
--- a/resources/migrations/013_add_activity_table.yaml
+++ b/resources/migrations/013_add_activity_table.yaml
@@ -85,3 +85,8 @@ databaseChangeLog:
             replace:
               replace: WITHOUT
               with: WITH
+        - modifySql:
+            dbms: mysql
+            replace:
+              replace: details VARCHAR
+              with: details TEXT