diff --git a/build.gradle b/build.gradle
index e105a03..4bb1457 100644
--- a/build.gradle
+++ b/build.gradle
@@ -59,6 +59,7 @@ dependencies {
     console "org.grails:grails-console"
 
     compile 'redis.clients:jedis:4.3.1'
+    compile 'org.apache.commons:commons-pool2:2.11.1'
     compile 'com.google.code.gson:gson:2.9.1'
 }
 
diff --git a/src/test/groovy/grails/plugins/redis/RedisServiceSpec.groovy b/src/test/groovy/grails/plugins/redis/RedisServiceSpec.groovy
index cd3a29f..9b4d7fe 100644
--- a/src/test/groovy/grails/plugins/redis/RedisServiceSpec.groovy
+++ b/src/test/groovy/grails/plugins/redis/RedisServiceSpec.groovy
@@ -2,20 +2,14 @@ package grails.plugins.redis
 
 import grails.core.GrailsApplication
 import grails.spring.BeanBuilder
-import grails.test.mixin.integration.Integration
-import groovy.util.logging.Slf4j
+import grails.testing.mixin.integration.Integration
 import org.springframework.beans.factory.annotation.Autowired
 import redis.clients.jedis.Jedis
 import redis.clients.jedis.Transaction
 import redis.clients.jedis.exceptions.JedisConnectionException
 import spock.lang.Specification
 
-import java.util.concurrent.Callable
-import java.util.concurrent.ConcurrentHashMap
-import java.util.concurrent.ConcurrentMap
-import java.util.concurrent.CountDownLatch
-import java.util.concurrent.ExecutorService
-import java.util.concurrent.Executors
+import java.util.concurrent.*
 
 import static grails.plugins.redis.RedisService.NO_EXPIRATION_TTL
 
diff --git a/src/test/groovy/grails/plugins/redis/RedisTagLibSpec.groovy b/src/test/groovy/grails/plugins/redis/RedisTagLibSpec.groovy
index c6393a9..597a335 100644
--- a/src/test/groovy/grails/plugins/redis/RedisTagLibSpec.groovy
+++ b/src/test/groovy/grails/plugins/redis/RedisTagLibSpec.groovy
@@ -1,7 +1,7 @@
 package grails.plugins.redis
 
 import grails.core.GrailsApplication
-import grails.test.mixin.integration.Integration
+import grails.testing.mixin.integration.Integration
 import org.springframework.beans.factory.annotation.Autowired
 import spock.lang.Ignore
 import spock.lang.Specification