diff --git a/migrations/000001_create_libraries_table.up.sql b/migrations/000001_create_libraries_table.up.sql
index 5c2608e..0890b0a 100644
--- a/migrations/000001_create_libraries_table.up.sql
+++ b/migrations/000001_create_libraries_table.up.sql
@@ -1,6 +1,6 @@
 
 CREATE TABLE IF NOT EXISTS libraries(
-   id serial PRIMARY KEY,
+   id bigserial PRIMARY KEY,
    enable boolean NOT NULL,
    name VARCHAR (50) NOT NULL,
    path VARCHAR (500) NOT NULL
diff --git a/migrations/000002_create_files_table.up.sql b/migrations/000002_create_files_table.up.sql
index f5023da..e012f1b 100644
--- a/migrations/000002_create_files_table.up.sql
+++ b/migrations/000002_create_files_table.up.sql
@@ -1,8 +1,8 @@
 
 CREATE TABLE IF NOT EXISTS files(
-   id serial PRIMARY KEY,
-   library_id integer REFERENCES libraries(id) NOT NULL,
-   size integer NOT NULL,
+   id bigserial PRIMARY KEY,
+   library_id bigint REFERENCES libraries(id) NOT NULL,
+   size bigint NOT NULL,
    missing boolean NOT NULL,
    path VARCHAR (500) NOT NULL
 );
\ No newline at end of file
diff --git a/migrations/000004_create_task_table.up.sql b/migrations/000004_create_task_table.up.sql
index 54f1a77..aac38ba 100644
--- a/migrations/000004_create_task_table.up.sql
+++ b/migrations/000004_create_task_table.up.sql
@@ -1,8 +1,8 @@
 
 CREATE TABLE IF NOT EXISTS tasks(
-   id serial PRIMARY KEY,
+   id bigserial PRIMARY KEY,
    worker_id uuid REFERENCES workers(id),
-   file_id integer REFERENCES files(id) NOT NULL,
+   file_id bigint REFERENCES files(id) NOT NULL,
    type smallint NOT NULL,
    status smallint NOT NULL,
    data JSONB,