diff --git a/go.toolchain.branch b/go.toolchain.branch
index b81edf907..77ec78534 100644
--- a/go.toolchain.branch
+++ b/go.toolchain.branch
@@ -1 +1 @@
-tailscale.go1.18
+tailscale.go1.19
diff --git a/go.toolchain.rev b/go.toolchain.rev
index 9f8f96754..b9a25ee00 100644
--- a/go.toolchain.rev
+++ b/go.toolchain.rev
@@ -1 +1 @@
-149f7d88f11384083d42ccbcdb31693510385ec6
+4cbd2683f8f31b9498dec50d0180106bb2d8a875