diff --git a/mockserver-tests/src/test/groovy/pl/touk/mockserver/tests/MockServerIntegrationTest.groovy b/mockserver-tests/src/test/groovy/pl/touk/mockserver/tests/MockServerIntegrationTest.groovy
index e9f2d42..d0c3593 100644
--- a/mockserver-tests/src/test/groovy/pl/touk/mockserver/tests/MockServerIntegrationTest.groovy
+++ b/mockserver-tests/src/test/groovy/pl/touk/mockserver/tests/MockServerIntegrationTest.groovy
@@ -28,7 +28,6 @@ import pl.touk.mockserver.client.RemoteMockServer
 import pl.touk.mockserver.client.Util
 import pl.touk.mockserver.server.HttpMockServer
 import spock.lang.AutoCleanup
-import spock.lang.Shared
 import spock.lang.Specification
 
 class MockServerIntegrationTest extends Specification {
@@ -38,7 +37,6 @@ class MockServerIntegrationTest extends Specification {
     @AutoCleanup('stop')
     HttpMockServer httpMockServer
 
-    @Shared
     CloseableHttpClient client = HttpClients.createDefault()
 
     def setup() {
diff --git a/mockserver-tests/src/test/groovy/pl/touk/mockserver/tests/MockServerMaxUsesTest.groovy b/mockserver-tests/src/test/groovy/pl/touk/mockserver/tests/MockServerMaxUsesTest.groovy
index 9e05890..fd21436 100644
--- a/mockserver-tests/src/test/groovy/pl/touk/mockserver/tests/MockServerMaxUsesTest.groovy
+++ b/mockserver-tests/src/test/groovy/pl/touk/mockserver/tests/MockServerMaxUsesTest.groovy
@@ -21,7 +21,6 @@ class MockServerMaxUsesTest extends Specification {
     @AutoCleanup('stop')
     HttpMockServer httpMockServer
 
-    @Shared
     CloseableHttpClient client = HttpClients.createDefault()
 
     def setup() {
diff --git a/pom.xml b/pom.xml
index f79af09..48ad9ae 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <maven-compiler-plugin.version>3.1</maven-compiler-plugin.version>
         <groovy.version>2.5.7</groovy.version>
-        <httpclient.version>4.3.6</httpclient.version>
+        <httpclient.version>4.5.13</httpclient.version>
         <spock-core.version>1.3-groovy-2.5</spock-core.version>
         <commons-lang3.version>3.3.2</commons-lang3.version>
         <slf4j-api.version>1.7.7</slf4j-api.version>