diff --git a/flakehashes.json b/flakehashes.json
index d1e6a8b9b..3d8e221d2 100644
--- a/flakehashes.json
+++ b/flakehashes.json
@@ -1,10 +1,10 @@
 {
   "toolchain": {
-    "rev": "7104161f96b07474ce312ea116c8b2a1efe1311a",
-    "sri": "sha256-uskKJHUzzIQ74VuzoQKrlz+6tCY/YKnv+BjJduPwt6Q="
+    "rev": "c803676bcc7f2b195b167a53d49d728045cd9b36",
+    "sri": "sha256-cY5yryX+p/xtoTv+WZEKFagiIl0OREHnJY1Bk5VpVVc="
   },
   "vendor": {
-    "goModSum": "sha256-RDqwsAxOB4md+lrJ1mYoVDJwqka0zJB040lEY+05hWA=",
+    "goModSum": "sha256-v3CQEcZdemrKe6x6ROdP0UYcNnTz3/N5zDJTyWzPfsw=",
     "sri": "sha256-2J5X1EddqDfr1X2lk7fZL0/eFbwDbfwuBS9K6JGZQv0="
   }
 }
diff --git a/go.mod b/go.mod
index 7797f9999..f800c6143 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module tailscale.com
 
-go 1.26.3
+go 1.26.4
 
 require (
 	filippo.io/mkcert v1.4.4
diff --git a/go.toolchain.next.rev b/go.toolchain.next.rev
index 66c20f1b7..8572bc5ad 100644
--- a/go.toolchain.next.rev
+++ b/go.toolchain.next.rev
@@ -1 +1 @@
-7104161f96b07474ce312ea116c8b2a1efe1311a
+c803676bcc7f2b195b167a53d49d728045cd9b36
diff --git a/go.toolchain.rev b/go.toolchain.rev
index 66c20f1b7..8572bc5ad 100644
--- a/go.toolchain.rev
+++ b/go.toolchain.rev
@@ -1 +1 @@
-7104161f96b07474ce312ea116c8b2a1efe1311a
+c803676bcc7f2b195b167a53d49d728045cd9b36
diff --git a/go.toolchain.version b/go.toolchain.version
index f8f738140..ea0928ced 100644
--- a/go.toolchain.version
+++ b/go.toolchain.version
@@ -1 +1 @@
-1.26.3
+1.26.4