diff --git a/src/test/groovy/org/prebid/server/functional/tests/BaseSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/BaseSpec.groovy
index 63ba2516ff4..df2c416722b 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/BaseSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/BaseSpec.groovy
@@ -17,6 +17,7 @@ import org.prebid.server.functional.testcontainers.scaffolding.PrebidCache
 import org.prebid.server.functional.testcontainers.scaffolding.VendorList
 import org.prebid.server.functional.util.ObjectMapperWrapper
 import org.prebid.server.functional.util.PBSUtils
+import spock.lang.Shared
 import spock.lang.Specification
 
 import static java.math.RoundingMode.DOWN
@@ -43,6 +44,7 @@ abstract class BaseSpec extends Specification implements ObjectMapperWrapper {
     protected static final Map<String, String> GENERIC_ALIAS_CONFIG = ["adapters.generic.aliases.alias.enabled" : "true",
                                                                        "adapters.generic.aliases.alias.endpoint": "$networkServiceContainer.rootUri/auction".toString()]
 
+    @Shared
     protected static final PrebidServerService defaultPbsService = pbsServiceFactory.getService([:])
 
     def setupSpec() {
diff --git a/src/test/groovy/org/prebid/server/functional/tests/module/AbTestingModuleSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/module/AbTestingModuleSpec.groovy
index 73e4536a9d4..b009794cb63 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/module/AbTestingModuleSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/module/AbTestingModuleSpec.groovy
@@ -14,6 +14,7 @@ import org.prebid.server.functional.model.response.auction.AnalyticResult
 import org.prebid.server.functional.model.response.auction.InvocationResult
 import org.prebid.server.functional.service.PrebidServerService
 import org.prebid.server.functional.util.PBSUtils
+import spock.lang.Shared
 
 import static org.prebid.server.functional.model.ModuleName.PB_RESPONSE_CORRECTION
 import static org.prebid.server.functional.model.config.Endpoint.OPENRTB2_AUCTION
@@ -48,7 +49,9 @@ class AbTestingModuleSpec extends ModuleBaseSpec {
     private final static Map<String, String> MULTI_MODULE_CONFIG = getResponseCorrectionConfig() + getOrtb2BlockingSettings() +
             ['hooks.host-execution-plan': null]
 
+    @Shared
     private static PrebidServerService ortbModulePbsService
+    @Shared
     private static PrebidServerService pbsServiceWithMultipleModules
 
     def setupSpec() {
diff --git a/src/test/groovy/org/prebid/server/functional/tests/module/GeneralModuleSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/module/GeneralModuleSpec.groovy
index 93ffcc49f82..231394afa6a 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/module/GeneralModuleSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/module/GeneralModuleSpec.groovy
@@ -15,6 +15,7 @@ import org.prebid.server.functional.model.request.auction.TraceLevel
 import org.prebid.server.functional.model.response.auction.InvocationResult
 import org.prebid.server.functional.service.PrebidServerService
 import org.prebid.server.functional.util.PBSUtils
+import spock.lang.Shared
 
 import static org.prebid.server.functional.model.ModuleName.ORTB2_BLOCKING
 import static org.prebid.server.functional.model.ModuleName.PB_RICHMEDIA_FILTER
@@ -45,7 +46,9 @@ class GeneralModuleSpec extends ModuleBaseSpec {
             getOrtb2BlockingSettings() +
             ['hooks.host-execution-plan': encode(ExecutionPlan.getSingleEndpointExecutionPlan(OPENRTB2_AUCTION, MODULES_STAGES))]
 
+    @Shared
     private static PrebidServerService pbsServiceWithMultipleModule
+    @Shared
     private static PrebidServerService pbsServiceWithMultipleModuleWithRequireInvoke
 
     def setupSpec() {
diff --git a/src/test/groovy/org/prebid/server/functional/tests/module/analyticstag/AnalyticsTagsModuleSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/module/analyticstag/AnalyticsTagsModuleSpec.groovy
index 30e384ffc6d..c625c926303 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/module/analyticstag/AnalyticsTagsModuleSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/module/analyticstag/AnalyticsTagsModuleSpec.groovy
@@ -18,6 +18,7 @@ import org.prebid.server.functional.model.response.auction.ModuleActivityName
 import org.prebid.server.functional.service.PrebidServerService
 import org.prebid.server.functional.tests.module.ModuleBaseSpec
 import org.prebid.server.functional.util.PBSUtils
+import spock.lang.Shared
 
 import static org.prebid.server.functional.model.ModuleName.ORTB2_BLOCKING
 import static org.prebid.server.functional.model.ModuleName.PB_RICHMEDIA_FILTER
@@ -30,6 +31,7 @@ import static org.prebid.server.functional.model.response.auction.ErrorType.PREB
 
 class AnalyticsTagsModuleSpec extends ModuleBaseSpec {
 
+    @Shared
     private static PrebidServerService pbsServiceWithEnabledOrtb2Blocking
 
     def setupSpec() {
diff --git a/src/test/groovy/org/prebid/server/functional/tests/module/ortb2blocking/Ortb2BlockingSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/module/ortb2blocking/Ortb2BlockingSpec.groovy
index 473cdc5fbce..ebe29ea01cc 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/module/ortb2blocking/Ortb2BlockingSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/module/ortb2blocking/Ortb2BlockingSpec.groovy
@@ -33,6 +33,7 @@ import org.prebid.server.functional.model.response.auction.SeatBid
 import org.prebid.server.functional.service.PrebidServerService
 import org.prebid.server.functional.tests.module.ModuleBaseSpec
 import org.prebid.server.functional.util.PBSUtils
+import spock.lang.Shared
 
 import static org.prebid.server.functional.model.ModuleName.ORTB2_BLOCKING
 import static org.prebid.server.functional.model.bidder.BidderName.ALIAS
@@ -62,6 +63,7 @@ class Ortb2BlockingSpec extends ModuleBaseSpec {
     private static final Map PBS_CONFIG = getOrtb2BlockingSettings() + IX_CONFIG +
             ['adapter-defaults.ortb.multiformat-supported': 'false']
 
+    @Shared
     private static PrebidServerService pbsServiceWithEnabledOrtb2Blocking
 
     def setupSpec() {
diff --git a/src/test/groovy/org/prebid/server/functional/tests/module/pbrequestcorrection/PbRequestCorrectionSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/module/pbrequestcorrection/PbRequestCorrectionSpec.groovy
index 3ab3ca92408..c478032d3d4 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/module/pbrequestcorrection/PbRequestCorrectionSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/module/pbrequestcorrection/PbRequestCorrectionSpec.groovy
@@ -14,6 +14,7 @@ import org.prebid.server.functional.model.request.auction.OperationState
 import org.prebid.server.functional.service.PrebidServerService
 import org.prebid.server.functional.tests.module.ModuleBaseSpec
 import org.prebid.server.functional.util.PBSUtils
+import spock.lang.Shared
 
 import static org.prebid.server.functional.model.request.auction.DistributionChannel.APP
 import static org.prebid.server.functional.model.request.auction.OperationState.YES
@@ -27,6 +28,7 @@ class PbRequestCorrectionSpec extends ModuleBaseSpec {
     private static final String ANDROID = "android"
     private static final String IOS = "IOS"
 
+    @Shared
     private static PrebidServerService pbsServiceWithRequestCorrectionModule
 
     def setupSpec() {
diff --git a/src/test/groovy/org/prebid/server/functional/tests/module/responsecorrenction/ResponseCorrectionSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/module/responsecorrenction/ResponseCorrectionSpec.groovy
index 38b4fd0f810..0cae9da6844 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/module/responsecorrenction/ResponseCorrectionSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/module/responsecorrenction/ResponseCorrectionSpec.groovy
@@ -16,6 +16,7 @@ import org.prebid.server.functional.model.response.auction.Prebid
 import org.prebid.server.functional.service.PrebidServerService
 import org.prebid.server.functional.tests.module.ModuleBaseSpec
 import org.prebid.server.functional.util.PBSUtils
+import spock.lang.Shared
 
 import java.time.Instant
 
@@ -37,6 +38,7 @@ class ResponseCorrectionSpec extends ModuleBaseSpec {
                                            "adapters.generic.modifying-vast-xml-allowed": "false"] +
             getResponseCorrectionConfig()
 
+    @Shared
     private static PrebidServerService pbsServiceWithResponseCorrectionModule
 
     def setupSpec() {
@@ -47,6 +49,7 @@ class ResponseCorrectionSpec extends ModuleBaseSpec {
         pbsServiceFactory.removeContainer(PBS_CONFIG)
     }
 
+
     def "PBS shouldn't modify response when in account correction module disabled"() {
         given: "Start up time"
         def start = Instant.now()
diff --git a/src/test/groovy/org/prebid/server/functional/tests/privacy/PrivacyBaseSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/privacy/PrivacyBaseSpec.groovy
index ed633ec5316..3f249b37fe5 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/privacy/PrivacyBaseSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/privacy/PrivacyBaseSpec.groovy
@@ -34,6 +34,7 @@ import org.prebid.server.functional.util.privacy.ConsentString
 import org.prebid.server.functional.util.privacy.TcfConsent
 import org.prebid.server.functional.util.privacy.gpp.GppConsent
 import org.prebid.server.functional.util.privacy.gpp.UsNatV1Consent
+import spock.lang.Shared
 
 import static org.prebid.server.functional.model.bidder.BidderName.GENERIC
 import static org.prebid.server.functional.model.bidder.BidderName.OPENX
@@ -77,9 +78,13 @@ abstract class PrivacyBaseSpec extends BaseSpec {
                                                                         "gdpr.host-vendor-id"                 : GENERIC_VENDOR_ID as String,
                                                                         "adapters.generic.ccpa-enforced"      : "true"]
 
+    @Shared
     protected static final int PURPOSES_ONLY_GVL_VERSION = PBSUtils.getRandomNumber(0, 4095)
+    @Shared
     protected static final int LEG_INT_PURPOSES_ONLY_GVL_VERSION = PBSUtils.getRandomNumberWithExclusion(PURPOSES_ONLY_GVL_VERSION, 0, 4095)
+    @Shared
     protected static final int LEG_INT_AND_FLEXIBLE_PURPOSES_GVL_VERSION = PBSUtils.getRandomNumberWithExclusion([PURPOSES_ONLY_GVL_VERSION, LEG_INT_PURPOSES_ONLY_GVL_VERSION], 0, 4095)
+    @Shared
     protected static final int PURPOSES_AND_LEG_INT_PURPOSES_GVL_VERSION = PBSUtils.getRandomNumberWithExclusion([PURPOSES_ONLY_GVL_VERSION, LEG_INT_PURPOSES_ONLY_GVL_VERSION, LEG_INT_AND_FLEXIBLE_PURPOSES_GVL_VERSION], 0, 4095)
 
     protected static final int EXPONENTIAL_BACKOFF_MAX_DELAY = 1
@@ -104,7 +109,10 @@ abstract class PrivacyBaseSpec extends BaseSpec {
     protected static final Map<String, String> GENERAL_PRIVACY_CONFIG =
             GENERIC_CONFIG + GDPR_VENDOR_LIST_CONFIG + GENERIC_VENDOR_CONFIG + RETRY_POLICY_EXPONENTIAL_CONFIG
 
+    @Shared
     protected static PrebidServerService privacyPbsService
+
+    @Shared
     protected static PrebidServerService activityPbsService
 
     def setupSpec() {