diff --git a/go.env b/go.env
index 6ff2b921d4..1112a19c9b 100644
--- a/go.env
+++ b/go.env
@@ -7,6 +7,6 @@
 GOPROXY=https://proxy.golang.org,direct
 GOSUMDB=sum.golang.org
 
-# Automatically download newer toolchains as directed by go.mod files.
+# Never download newer toolchains.
 # See https://go.dev/doc/toolchain for details.
-GOTOOLCHAIN=auto
+GOTOOLCHAIN=local