diff --git a/src/main/scala/lc/Main.scala b/src/main/scala/lc/Main.scala
index 66ea2b7..50c1ad7 100644
--- a/src/main/scala/lc/Main.scala
+++ b/src/main/scala/lc/Main.scala
@@ -3,6 +3,7 @@ package lc
 import lc.core.{CaptchaProviders, Captcha, Config}
 import lc.server.Server
 import lc.background.BackgroundTask
+import lc.database.Statements
 
 object LCFramework {
   def main(args: scala.Array[String]): Unit = {
@@ -12,6 +13,7 @@ object LCFramework {
       "data/config.json"
     }
     val config = new Config(configFilePath)
+    Statements.maxAttempts = config.maxAttempts
     val captchaProviders = new CaptchaProviders(config = config)
     val captcha = new Captcha(config = config, captchaProviders = captchaProviders)
     val backgroundTask = new BackgroundTask(config = config, captcha = captcha)
diff --git a/src/main/scala/lc/core/captcha.scala b/src/main/scala/lc/core/captcha.scala
index b350204..5c5f11e 100644
--- a/src/main/scala/lc/core/captcha.scala
+++ b/src/main/scala/lc/core/captcha.scala
@@ -1,13 +1,10 @@
 package lc.core
 
-import java.sql.ResultSet
-import java.util.UUID
-import java.io.ByteArrayInputStream
+import lc.captchas.interfaces.{Challenge, ChallengeProvider}
 import lc.database.Statements
-import lc.core.CaptchaProviders
-import lc.captchas.interfaces.ChallengeProvider
-import lc.captchas.interfaces.Challenge
-import java.sql.Blob
+import java.io.ByteArrayInputStream
+import java.sql.{Blob, ResultSet}
+import java.util.UUID
 
 class Captcha(config: Config, captchaProviders: CaptchaProviders) {
 
diff --git a/src/main/scala/lc/core/captchaFields.scala b/src/main/scala/lc/core/captchaFields.scala
index 02a91be..acc9f00 100644
--- a/src/main/scala/lc/core/captchaFields.scala
+++ b/src/main/scala/lc/core/captchaFields.scala
@@ -26,6 +26,7 @@ object AttributesEnum extends Enumeration {
   val PLAYGROUND_ENABLED: Value = Value("playgroundEnabled")
   val CORS_HEADER: Value = Value("corsHeader")
   val CONFIG: Value = Value("config")
+  val MAX_ATTEMPTS: Value = Value("maxAttempts")
 }
 
 object ResultEnum extends Enumeration {
diff --git a/src/main/scala/lc/core/captchaProviders.scala b/src/main/scala/lc/core/captchaProviders.scala
index 96ad212..e2ed404 100644
--- a/src/main/scala/lc/core/captchaProviders.scala
+++ b/src/main/scala/lc/core/captchaProviders.scala
@@ -1,6 +1,6 @@
 package lc.core
 
-import lc.captchas._
+import lc.captchas.*
 import lc.captchas.interfaces.ChallengeProvider
 import lc.captchas.interfaces.Challenge
 import scala.collection.mutable.Map
@@ -50,7 +50,7 @@ class CaptchaProviders(config: Config) {
 
   def getProvider(param: Parameters): Option[ChallengeProvider] = {
     val providerConfig = filterProviderByParam(param).toList
-    if (providerConfig.length > 0) {
+    if (providerConfig.nonEmpty) {
       val randomIndex = HelperFunctions.randomNumber(providerConfig.length)
       val providerIndex = providerConfig(randomIndex)._1
       val selectedProvider = providers(providerIndex)
diff --git a/src/main/scala/lc/core/config.scala b/src/main/scala/lc/core/config.scala
index cc63936..83d84e3 100644
--- a/src/main/scala/lc/core/config.scala
+++ b/src/main/scala/lc/core/config.scala
@@ -47,6 +47,7 @@ class Config(configFilePath: String) {
   val threadDelay: Int = (configJson \ AttributesEnum.THREAD_DELAY.toString).extract[Int]
   val playgroundEnabled: Boolean = (configJson \ AttributesEnum.PLAYGROUND_ENABLED.toString).extract[Boolean]
   val corsHeader: String = (configJson \ AttributesEnum.CORS_HEADER.toString).extract[String]
+  val maxAttempts: Int = (configJson \ AttributesEnum.MAX_ATTEMPTS.toString).extract[Int]
 
   private val captchaConfigJson = (configJson \ "captchas")
   val captchaConfigTransform: JValue = captchaConfigJson transformField { case JField("config", JObject(config)) =>
@@ -69,6 +70,7 @@ class Config(configFilePath: String) {
         (AttributesEnum.THREAD_DELAY.toString -> 2) ~
         (AttributesEnum.PLAYGROUND_ENABLED.toString -> true) ~
         (AttributesEnum.CORS_HEADER.toString -> "") ~
+        (AttributesEnum.MAX_ATTEMPTS.toString -> 10) ~
         ("captchas" -> List(
           (
             (AttributesEnum.NAME.toString -> "FilterChallenge") ~
diff --git a/src/main/scala/lc/database/DB.scala b/src/main/scala/lc/database/DB.scala
index 646e053..207d372 100644
--- a/src/main/scala/lc/database/DB.scala
+++ b/src/main/scala/lc/database/DB.scala
@@ -1,6 +1,6 @@
 package lc.database
 
-import java.sql._
+import java.sql.{Connection, DriverManager, Statement}
 
 class DBConn() {
   val con: Connection = DriverManager.getConnection("jdbc:h2:./data/H2/captcha2", "sa", "")
diff --git a/src/main/scala/lc/database/statements.scala b/src/main/scala/lc/database/statements.scala
index 2d3d276..3867d80 100644
--- a/src/main/scala/lc/database/statements.scala
+++ b/src/main/scala/lc/database/statements.scala
@@ -118,6 +118,6 @@ object Statements {
      ```
    */
   private val dbConn: DBConn = new DBConn()
-  private val maxAttempts = 10
+  var maxAttempts: Int = 10
   val tlStmts: ThreadLocal[Statements] = ThreadLocal.withInitial(() => new Statements(dbConn, maxAttempts))
 }
diff --git a/tests/debug-config.json b/tests/debug-config.json
index fa09853..c0d91b4 100644
--- a/tests/debug-config.json
+++ b/tests/debug-config.json
@@ -7,6 +7,7 @@
   "threadDelay" : 2,
   "playgroundEnabled" : false,
   "corsHeader" : "*",
+  "maxAttempts" : 20,
   "captchas" : [ {
     "name" : "DebugCaptcha",
     "allowedLevels" : [ "debug" ],