diff --git a/scripts/add_golang.sh b/scripts/add_golang.sh
index 62482bb..b18d23c 100755
--- a/scripts/add_golang.sh
+++ b/scripts/add_golang.sh
@@ -1,11 +1,12 @@
 #! /bin/bash
 set -ex
 
-VERSION=1.20.3
+VERSION=1.21.3
+ARCH=amd64
 SHASUM=979694c2c25c735755bf26f4f45e19e64e4811d661dd07b8c010f7a8e18adfca
 
-FILENAME=go${VERSION}.linux-amd64.tar.gz
-GOURL=https://go.dev/dl/${FILENAME}
+FILENAME="go${VERSION}.linux-${ARCH}.tar.gz"
+GOURL="https://go.dev/dl/${FILENAME}"
 
 wget --quiet "$GOURL"