diff --git a/flakehashes.json b/flakehashes.json
index ff4884464..23c697ebf 100644
--- a/flakehashes.json
+++ b/flakehashes.json
@@ -1,10 +1,10 @@
 {
   "toolchain": {
-    "rev": "186053ab2af2ef8fc43f3c1d1150216e89d4aff0",
-    "sri": "sha256-JcOxcYFhNRg6fiQhe5GkPHQxLI0ypKClCShZcBY1920="
+    "rev": "7ef7b403648ac3a9481a6e88e8b894eff50b0167",
+    "sri": "sha256-sdlgTLTkdhTvGCeQTwAsR+Do8rNwBzBUp5QPc09BPgI="
   },
   "vendor": {
-    "goModSum": "sha256-tCuqUvgL9H3779uKw3AeSaToYcOy2aBhIWoSLOgs6T8=",
+    "goModSum": "sha256-DN+aQ2obBIjmj9TtvEA0+DYf+wIvpJ+MTg2+ZvYczkw=",
     "sri": "sha256-jrznfL26qyAGix9DVkmh0sLU2VvqeTNMdi6mPu9RlxM="
   }
 }
diff --git a/go.mod b/go.mod
index fc00a952c..a56c5f1db 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module tailscale.com
 
-go 1.27.2
+go 1.27.3
 
 require (
 	filippo.io/mkcert v1.4.4
diff --git a/go.toolchain.next.rev b/go.toolchain.next.rev
index c328440a3..54bf0335c 100644
--- a/go.toolchain.next.rev
+++ b/go.toolchain.next.rev
@@ -1 +1 @@
-186053ab2af2ef8fc43f3c1d1150216e89d4aff0
+7ef7b403648ac3a9481a6e88e8b894eff50b0167
diff --git a/go.toolchain.rev b/go.toolchain.rev
index c328440a3..54bf0335c 100644
--- a/go.toolchain.rev
+++ b/go.toolchain.rev
@@ -1 +1 @@
-186053ab2af2ef8fc43f3c1d1150216e89d4aff0
+7ef7b403648ac3a9481a6e88e8b894eff50b0167
diff --git a/go.toolchain.version b/go.toolchain.version
index 457f03854..3bae5204b 100644
--- a/go.toolchain.version
+++ b/go.toolchain.version
@@ -1 +1 @@
-1.27.2
+1.27.3