diff --git a/dao/src/main/java/org/thingsboard/server/dao/pat/ApiKeyServiceImpl.java b/dao/src/main/java/org/thingsboard/server/dao/pat/ApiKeyServiceImpl.java
index 682de95e78..13578f0555 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/pat/ApiKeyServiceImpl.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/pat/ApiKeyServiceImpl.java
@@ -60,7 +60,7 @@ public class ApiKeyServiceImpl extends AbstractCachedEntityService<ApiKeyCacheKe
     @Value("${security.api_key.value_prefix:}")
     private String prefix;
 
-    @Value("${security.api_key.value_bytes_size:}")
+    @Value("${security.api_key.value_bytes_size:64}")
     private int valueBytesSize;
 
     @Override
diff --git a/dao/src/test/resources/application-test.properties b/dao/src/test/resources/application-test.properties
index 1c2c0c5519..de4b342af5 100644
--- a/dao/src/test/resources/application-test.properties
+++ b/dao/src/test/resources/application-test.properties
@@ -114,6 +114,9 @@ cache.specs.trendzSettings.maxSize=10000
 cache.specs.aiModel.timeToLiveInMinutes=1440
 cache.specs.aiModel.maxSize=10000
 
+cache.specs.apiKeys.timeToLiveInMinutes=1440
+cache.specs.apiKeys.maxSize=10000
+
 redis.connection.host=localhost
 redis.connection.port=6379
 redis.connection.db=0