diff --git a/Makefile b/Makefile
index 9c8913ea..b40b4cd0 100644
--- a/Makefile
+++ b/Makefile
@@ -24,6 +24,7 @@ CHANNEL = development
 CLIENT_DIR = client
 COMMIT = $$( git rev-parse --short HEAD )
 DIST_DIR = dist
+GOAMD64 = v1
 GOPROXY = https://goproxy.cn|https://proxy.golang.org|direct
 GOSUMDB = sum.golang.google.cn
 GPG_KEY = devteam@adguard.com
@@ -61,6 +62,7 @@ ENV = env\
 	GPG_KEY_PASSPHRASE='$(GPG_KEY_PASSPHRASE)'\
 	DIST_DIR='$(DIST_DIR)'\
 	GO="$(GO.MACRO)"\
+	GOAMD64="$(GOAMD64)"\
 	GOPROXY='$(GOPROXY)'\
 	GOSUMDB='$(GOSUMDB)'\
 	PATH="$${PWD}/bin:$$( "$(GO.MACRO)" env GOPATH )/bin:$${PATH}"\
diff --git a/scripts/README.md b/scripts/README.md
index 5ce27e80..b567cbd4 100644
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -120,6 +120,9 @@ Optional environment:
 
 Optional environment:
 
+ *  `GOAMD64`: architectural level for [AMD64][amd64].  The default value is
+    `v1`.
+
  *  `GOARM`: ARM processor options for the Go compiler.
 
  *  `GOMIPS`: ARM processor options for the Go compiler.
@@ -146,7 +149,8 @@ Required environment:
 
  *  `CHANNEL`: release channel, see above.
 
-[repr]: https://reproducible-builds.org/docs/source-date-epoch/
+[amd64]: https://github.com/golang/go/wiki/MinimumRequirements#amd64
+[repr]:  https://reproducible-builds.org/docs/source-date-epoch/