diff --git a/cmd/tsconnect/common.go b/cmd/tsconnect/common.go
index dae8b73a2..a387c00c9 100644
--- a/cmd/tsconnect/common.go
+++ b/cmd/tsconnect/common.go
@@ -71,7 +71,7 @@ func commonSetup(dev bool) (*esbuild.BuildOptions, error) {
 				},
 			},
 		},
-		JSXMode: esbuild.JSXModeAutomatic,
+		JSX: esbuild.JSXAutomatic,
 	}, nil
 }
 
@@ -137,16 +137,19 @@ func runEsbuildServe(buildOptions esbuild.BuildOptions) {
 	if err != nil {
 		log.Fatalf("Cannot parse port: %v", err)
 	}
-	result, err := esbuild.Serve(esbuild.ServeOptions{
+	buildContext, ctxErr := esbuild.Context(buildOptions)
+	if ctxErr != nil {
+		log.Fatalf("Cannot create esbuild context: %v", err)
+	}
+	result, err := buildContext.Serve(esbuild.ServeOptions{
 		Port:     uint16(port),
 		Host:     host,
 		Servedir: "./",
-	}, buildOptions)
+	})
 	if err != nil {
 		log.Fatalf("Cannot start esbuild server: %v", err)
 	}
 	log.Printf("Listening on http://%s:%d\n", result.Host, result.Port)
-	result.Wait()
 }
 
 func runEsbuild(buildOptions esbuild.BuildOptions) esbuild.BuildResult {
diff --git a/go.mod b/go.mod
index 24dbbf4b7..9b1dc5b97 100644
--- a/go.mod
+++ b/go.mod
@@ -21,7 +21,7 @@ require (
 	github.com/dave/jennifer v1.6.1
 	github.com/dblohm7/wingoes v0.0.0-20230929194252-e994401fc077
 	github.com/dsnet/try v0.0.3
-	github.com/evanw/esbuild v0.14.53
+	github.com/evanw/esbuild v0.19.4
 	github.com/frankban/quicktest v1.14.5
 	github.com/fxamacker/cbor/v2 v2.4.0
 	github.com/go-json-experiment/json v0.0.0-20230908182459-f320be06fe37
diff --git a/go.sum b/go.sum
index 58cb89f83..ebefa4111 100644
--- a/go.sum
+++ b/go.sum
@@ -262,6 +262,8 @@ github.com/evanphx/json-patch/v5 v5.6.0 h1:b91NhWfaz02IuVxO9faSllyAtNXHMPkC5J8sJ
 github.com/evanphx/json-patch/v5 v5.6.0/go.mod h1:G79N1coSVB93tBe7j6PhzjmR3/2VvlbKOFpnXhI9Bw4=
 github.com/evanw/esbuild v0.14.53 h1:9uU73SZUmP1jRQhaC6hPm9aoqFGYlPwfk7OrhG6AhpQ=
 github.com/evanw/esbuild v0.14.53/go.mod h1:iINY06rn799hi48UqEnaQvVfZWe6W9bET78LbvN8VWk=
+github.com/evanw/esbuild v0.19.4 h1:Etk+6ZCjtNxZZLEgMKSqpO0/oM0k1WYKJabaPMJ39iQ=
+github.com/evanw/esbuild v0.19.4/go.mod h1:iINY06rn799hi48UqEnaQvVfZWe6W9bET78LbvN8VWk=
 github.com/fatih/color v1.15.0 h1:kOqh6YHBtK8aywxGerMG2Eq3H6Qgoqeo13Bk2Mv/nBs=
 github.com/fatih/color v1.15.0/go.mod h1:0h5ZqXfHYED7Bhv2ZJamyIOUej9KtShiJESRwBDUSsw=
 github.com/fatih/structtag v1.2.0 h1:/OdNE99OxoI/PqaW/SuSK9uxxT3f/tcSZgon/ssNSx4=