diff --git a/jOOQ/src/main/java/org/jooq/AlterTableStep.java b/jOOQ/src/main/java/org/jooq/AlterTableStep.java
index 74d3728fb7..081e3e2f98 100644
--- a/jOOQ/src/main/java/org/jooq/AlterTableStep.java
+++ b/jOOQ/src/main/java/org/jooq/AlterTableStep.java
@@ -591,7 +591,7 @@ public interface AlterTableStep {
      * Add a <code>DROP PRIMARY KEY</code> clause to the <code>ALTER TABLE</code>
      * statement.
      */
-    @Support({ H2, MARIADB, MYSQL                                    })
+    @Support({ H2, HSQLDB, MARIADB, MYSQL                                    })
     AlterTableFinalStep dropPrimaryKey();
 
     /**