diff --git a/.teamcity/src/builds/default/DefaultFunctionalBase.kt b/.teamcity/src/builds/default/DefaultFunctionalBase.kt
index d8124bd8521c0..dc2f7756efeb5 100644
--- a/.teamcity/src/builds/default/DefaultFunctionalBase.kt
+++ b/.teamcity/src/builds/default/DefaultFunctionalBase.kt
@@ -1,6 +1,8 @@
 package builds.default
 
+import StandardAgents
 import addTestSettings
+import co.elastic.teamcity.common.requireAgent
 import jetbrains.buildServer.configs.kotlin.v2019_2.BuildType
 
 open class DefaultFunctionalBase(init: BuildType.() -> Unit = {}) : BuildType({
@@ -8,6 +10,8 @@ open class DefaultFunctionalBase(init: BuildType.() -> Unit = {}) : BuildType({
     param("env.KBN_NP_PLUGINS_BUILT", "true")
   }
 
+  requireAgent(StandardAgents["4"]!!)
+
   dependencies {
     defaultBuildWithPlugins()
   }