diff --git a/.config/example.yml b/.config/example.yml
index ef91c86f5..8b9d9b482 100644
--- a/.config/example.yml
+++ b/.config/example.yml
@@ -57,6 +57,7 @@ db:
 redis:
   host: localhost
   port: 6379
+  #family: 0  # 0=Both, 4=IPv4, 6=IPv6
   #pass: example-pass
   #prefix: example-prefix
   #db: 1
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c4486dd6c..3dc75e6f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,8 @@ You should also include the user name that made the change.
 - Improve player detection in URL preview @mei23
 - Add Badge Image to Push Notification #8012 @tamaina
 - Client: Removing entries from a clip @futchitwo
+- Server: Supports IPv6 on Redis transport. @mei23  
+  IPv4/IPv6 is used by default. You can tune this behavior via `redis.family`.
 
 ### Bugfixes
 - Server: Fix GenerateVideoThumbnail failed @mei23
diff --git a/packages/backend/package.json b/packages/backend/package.json
index 3ac5b7398..b126f723e 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -47,6 +47,7 @@
 		"fluent-ffmpeg": "2.1.2",
 		"got": "12.1.0",
 		"hpagent": "0.1.2",
+		"ioredis": "4.28.5",
 		"ip-cidr": "3.0.10",
 		"is-svg": "4.3.2",
 		"js-yaml": "4.1.0",
@@ -86,7 +87,6 @@
 		"random-seed": "0.3.0",
 		"ratelimiter": "3.4.1",
 		"re2": "1.17.4",
-		"redis": "3.1.2",
 		"redis-lock": "0.1.4",
 		"reflect-metadata": "0.1.13",
 		"rename": "1.0.4",
diff --git a/packages/backend/src/config/types.ts b/packages/backend/src/config/types.ts
index 948545db7..78510c837 100644
--- a/packages/backend/src/config/types.ts
+++ b/packages/backend/src/config/types.ts
@@ -19,6 +19,7 @@ export type Source = {
 	redis: {
 		host: string;
 		port: number;
+		family?: number;
 		pass: string;
 		db?: number;
 		prefix?: string;
diff --git a/packages/backend/src/db/postgre.ts b/packages/backend/src/db/postgre.ts
index 298f6713e..904bbb8b7 100644
--- a/packages/backend/src/db/postgre.ts
+++ b/packages/backend/src/db/postgre.ts
@@ -192,12 +192,13 @@ export const db = new DataSource({
 	synchronize: process.env.NODE_ENV === 'test',
 	dropSchema: process.env.NODE_ENV === 'test',
 	cache: !config.db.disableCache ? {
-		type: 'redis',
+		type: 'ioredis',
 		options: {
 			host: config.redis.host,
 			port: config.redis.port,
+			family: config.redis.family == null ? 0 : config.redis.family,
 			password: config.redis.pass,
-			prefix: `${config.redis.prefix}:query:`,
+			keyPrefix: `${config.redis.prefix}:query:`,
 			db: config.redis.db || 0,
 		},
 	} : false,
@@ -226,7 +227,7 @@ export async function initDb(force = false) {
 
 export async function resetDb() {
 	const reset = async () => {
-		await redisClient.FLUSHDB();
+		await redisClient.flushdb();
 		const tables = await db.query(`SELECT relname AS "table"
 		FROM pg_class C LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)
 		WHERE nspname NOT IN ('pg_catalog', 'information_schema')
diff --git a/packages/backend/src/db/redis.ts b/packages/backend/src/db/redis.ts
index 934604145..49f5bb2ba 100644
--- a/packages/backend/src/db/redis.ts
+++ b/packages/backend/src/db/redis.ts
@@ -1,16 +1,15 @@
-import * as redis from 'redis';
+import Redis from 'ioredis';
 import config from '@/config/index.js';
 
 export function createConnection() {
-	return redis.createClient(
-		config.redis.port,
-		config.redis.host,
-		{
-			password: config.redis.pass,
-			prefix: config.redis.prefix,
-			db: config.redis.db || 0,
-		}
-	);
+	return new Redis({
+		port: config.redis.port,
+		host: config.redis.host,
+		family: config.redis.family == null ? 0 : config.redis.family,
+		password: config.redis.pass,
+		keyPrefix: `${config.redis.prefix}:`,
+		db: config.redis.db || 0,
+	});
 }
 
 export const subsdcriber = createConnection();
diff --git a/packages/backend/src/queue/initialize.ts b/packages/backend/src/queue/initialize.ts
index 1db118ca9..eef4080af 100644
--- a/packages/backend/src/queue/initialize.ts
+++ b/packages/backend/src/queue/initialize.ts
@@ -6,6 +6,7 @@ export function initialize<T>(name: string, limitPerSec = -1) {
 		redis: {
 			port: config.redis.port,
 			host: config.redis.host,
+			family: config.redis.family == null ? 0 : config.redis.family,
 			password: config.redis.pass,
 			db: config.redis.db || 0,
 		},
diff --git a/packages/backend/src/server/api/endpoints/admin/server-info.ts b/packages/backend/src/server/api/endpoints/admin/server-info.ts
index 9c150420b..85c6fb82e 100644
--- a/packages/backend/src/server/api/endpoints/admin/server-info.ts
+++ b/packages/backend/src/server/api/endpoints/admin/server-info.ts
@@ -99,12 +99,16 @@ export default define(meta, paramDef, async () => {
 	const fsStats = await si.fsSize();
 	const netInterface = await si.networkInterfaceDefault();
 
+	const redisServerInfo = await redisClient.info('Server');
+	const m = redisServerInfo.match(new RegExp('^redis_version:(.*)', 'm'));
+	const redis_version = m?.[1];
+
 	return {
 		machine: os.hostname(),
 		os: os.platform(),
 		node: process.version,
 		psql: await db.query('SHOW server_version').then(x => x[0].server_version),
-		redis: redisClient.server_info.redis_version,
+		redis: redis_version,
 		cpu: {
 			model: os.cpus()[0].model,
 			cores: os.cpus().length,
diff --git a/packages/backend/yarn.lock b/packages/backend/yarn.lock
index 4c89fdf05..aa134183a 100644
--- a/packages/backend/yarn.lock
+++ b/packages/backend/yarn.lock
@@ -2227,11 +2227,6 @@ denque@^1.1.0:
   resolved "https://registry.yarnpkg.com/denque/-/denque-1.4.1.tgz#6744ff7641c148c3f8a69c307e51235c1f4a37cf"
   integrity sha512-OfzPuSZKGcgr96rf1oODnfjqBFmr1DVoc/TrItj3Ohe0Ah1C5WX5Baquw/9U9KovnQ88EqmJbD66rKYUQYN1tQ==
 
-denque@^1.5.0:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/denque/-/denque-1.5.0.tgz#773de0686ff2d8ec2ff92914316a47b73b1c73de"
-  integrity sha512-CYiCSgIF1p6EUByQPlGkKnP1M9g0ZV3qMIrqMqZqdwazygIA/YP2vrbcyl1h/WppKJTdl1F85cXIle+394iDAQ==
-
 depd@^1.1.2, depd@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
@@ -3581,7 +3576,7 @@ internal-slot@^1.0.3:
     has "^1.0.3"
     side-channel "^1.0.4"
 
-ioredis@^4.28.5:
+ioredis@4.28.5, ioredis@^4.28.5:
   version "4.28.5"
   resolved "https://registry.yarnpkg.com/ioredis/-/ioredis-4.28.5.tgz#5c149e6a8d76a7f8fa8a504ffc85b7d5b6797f9f"
   integrity sha512-3GYo0GJtLqgNXj4YhrisLaNNvWSNwSS2wS4OELGfGxH8I69+XfNdnmV1AyN+ZqMh0i7eX+SWjrwFKDBDgfBC1A==
@@ -5805,7 +5800,7 @@ reconnecting-websocket@^4.4.0:
   resolved "https://registry.yarnpkg.com/reconnecting-websocket/-/reconnecting-websocket-4.4.0.tgz#3b0e5b96ef119e78a03135865b8bb0af1b948783"
   integrity sha512-D2E33ceRPga0NvTDhJmphEgJ7FUYF0v4lr1ki0csq06OdlxKfugGzN0dSkxM/NfqCxYELK4KcaTOUOjTV6Dcng==
 
-redis-commands@1.7.0, redis-commands@^1.7.0:
+redis-commands@1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/redis-commands/-/redis-commands-1.7.0.tgz#15a6fea2d58281e27b1cd1acfb4b293e278c3a89"
   integrity sha512-nJWqw3bTFy21hX/CPKHth6sfhZbdiHP6bTawSgQBlKOVRG7EZkfHbbHwQJnrE4vsQf0CMNE+3gJ4Fmm16vdVlQ==
@@ -5845,16 +5840,6 @@ redis@*:
     "@node-redis/search" "^1.0.2"
     "@node-redis/time-series" "^1.0.1"
 
-redis@3.1.2:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/redis/-/redis-3.1.2.tgz#766851117e80653d23e0ed536254677ab647638c"
-  integrity sha512-grn5KoZLr/qrRQVwoSkmzdbw6pwF+/rwODtrOr6vuBRiR/f3rjSTGupbF90Zpqm2oenix8Do6RV7pYEkGwlKkw==
-  dependencies:
-    denque "^1.5.0"
-    redis-commands "^1.7.0"
-    redis-errors "^1.2.0"
-    redis-parser "^3.0.0"
-
 reflect-metadata@0.1.13, reflect-metadata@^0.1.13:
   version "0.1.13"
   resolved "https://registry.yarnpkg.com/reflect-metadata/-/reflect-metadata-0.1.13.tgz#67ae3ca57c972a2aa1642b10fe363fe32d49dc08"