diff --git a/db/migrations/20240406220949_create_subreddits_table.sql b/db/migrations/20240406220949_create_subreddits_table.sql
index c914bd9..1d2e429 100644
--- a/db/migrations/20240406220949_create_subreddits_table.sql
+++ b/db/migrations/20240406220949_create_subreddits_table.sql
@@ -1,7 +1,7 @@
 -- +goose Up
 -- +goose StatementBegin
 CREATE TABLE subreddits (
-    name VARCHAR(30) NOT NULL PRIMARY KEY,
+    name VARCHAR(30) NOT NULL PRIMARY KEY COLLATE NOCASE,
     enable_schedule INT NOT NULL DEFAULT 1,
     subtype INT NOT NULL DEFAULT 0,
     schedule VARCHAR(20) NOT NULL DEFAULT '@daily',
diff --git a/db/migrations/20240409221254_create_table_device.sql b/db/migrations/20240409221254_create_table_device.sql
index 40069cb..888c980 100644
--- a/db/migrations/20240409221254_create_table_device.sql
+++ b/db/migrations/20240409221254_create_table_device.sql
@@ -1,9 +1,9 @@
 -- +goose Up
 -- +goose StatementBegin
 CREATE TABLE devices(
-    slug VARCHAR(255) NOT NULL PRIMARY KEY,
+    slug VARCHAR(255) NOT NULL PRIMARY KEY COLLATE NOCASE,
     enable INTEGER NOT NULL DEFAULT 1,
-    name VARCHAR(255) NOT NULL,
+    name VARCHAR(255) NOT NULL COLLATE NOCASE,
     resolution_x DOUBLE NOT NULL,
     resolution_y DOUBLE NOT NULL,
     aspect_ratio_tolerance DOUBLE NOT NULL default 0.2,
diff --git a/db/migrations/20240409222145_create_images_table.sql b/db/migrations/20240409222145_create_images_table.sql
index 3cebedf..3886e83 100644
--- a/db/migrations/20240409222145_create_images_table.sql
+++ b/db/migrations/20240409222145_create_images_table.sql
@@ -2,8 +2,8 @@
 -- +goose StatementBegin
 CREATE TABLE images(
     id INTEGER PRIMARY KEY,
-    subreddit VARCHAR(255) NOT NULL,
-    device VARCHAR(250) NOT NULL,
+    subreddit VARCHAR(255) NOT NULL COLLATE NOCASE,
+    device VARCHAR(250) NOT NULL COLLATE NOCASE,
     post_title VARCHAR(255) NOT NULL,
     post_name VARCHAR(255) NOT NULL,
     post_url VARCHAR(255) NOT NULL,
diff --git a/db/migrations/20240503212313_create_table_schedule_status.sql b/db/migrations/20240503212313_create_table_schedule_status.sql
index f59b6f3..4fbe96d 100644
--- a/db/migrations/20240503212313_create_table_schedule_status.sql
+++ b/db/migrations/20240503212313_create_table_schedule_status.sql
@@ -2,7 +2,7 @@
 -- +goose StatementBegin
 CREATE TABLE schedule_status(
     id INTEGER PRIMARY KEY,
-    subreddit VARCHAR(255) NOT NULL,
+    subreddit VARCHAR(255) NOT NULL COLLATE NOCASE,
     status TINYINT NOT NULL DEFAULT 0,
     error_message VARCHAR(255) NOT NULL DEFAULT '',
     created_at BIGINT DEFAULT 0 NOT NULL,
diff --git a/db/migrations/20240503212902_create_table_schedule_history.sql b/db/migrations/20240503212902_create_table_schedule_history.sql
index 1267785..5db3423 100644
--- a/db/migrations/20240503212902_create_table_schedule_history.sql
+++ b/db/migrations/20240503212902_create_table_schedule_history.sql
@@ -2,7 +2,7 @@
 -- +goose StatementBegin
 CREATE TABLE schedule_histories(
     id INTEGER PRIMARY KEY AUTOINCREMENT,
-    subreddit VARCHAR(255) NOT NULL,
+    subreddit VARCHAR(255) NOT NULL COLLATE NOCASE,
     status TINYINT NOT NULL DEFAULT 0,
     error_message VARCHAR(255) NOT NULL DEFAULT '',
     created_at BIGINT DEFAULT 0 NOT NULL,