diff --git a/ui/build/config.go b/ui/build/config.go
index 73e2c45..b5ee440 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -1568,6 +1568,10 @@
 	return c.Environment().IsEnvTrue("BUILD_BROKEN_DISABLE_BAZEL")
 }
 
+func (c *configImpl) IsPersistentBazelEnabled() bool {
+	return c.Environment().IsEnvTrue("USE_PERSISTENT_BAZEL")
+}
+
 func (c *configImpl) BazelModulesForceEnabledByFlag() string {
 	return c.bazelForceEnabledModules
 }
diff --git a/ui/build/soong.go b/ui/build/soong.go
index e6543ec..a5a3263 100644
--- a/ui/build/soong.go
+++ b/ui/build/soong.go
@@ -21,6 +21,7 @@
 	"strconv"
 	"strings"
 
+	"android/soong/bazel"
 	"android/soong/ui/metrics"
 	"android/soong/ui/status"
 
@@ -268,6 +269,9 @@
 	if config.bazelStagingMode {
 		mainSoongBuildExtraArgs = append(mainSoongBuildExtraArgs, "--bazel-mode-staging")
 	}
+	if config.IsPersistentBazelEnabled() {
+		mainSoongBuildExtraArgs = append(mainSoongBuildExtraArgs, "--use-bazel-proxy")
+	}
 	if len(config.bazelForceEnabledModules) > 0 {
 		mainSoongBuildExtraArgs = append(mainSoongBuildExtraArgs, "--bazel-force-enabled-modules="+config.bazelForceEnabledModules)
 	}
@@ -497,6 +501,12 @@
 		ctx.BeginTrace(metrics.RunSoong, name)
 		defer ctx.EndTrace()
 
+		if config.IsPersistentBazelEnabled() {
+			bazelProxy := bazel.NewProxyServer(ctx.Logger, config.OutDir(), filepath.Join(config.SoongOutDir(), "workspace"))
+			bazelProxy.Start()
+			defer bazelProxy.Close()
+		}
+
 		fifo := filepath.Join(config.OutDir(), ".ninja_fifo")
 		nr := status.NewNinjaReader(ctx, ctx.Status.StartTool(), fifo)
 		defer nr.Close()