diff --git a/internal/rosa/gnu.go b/internal/rosa/gnu.go
index f52df524..526bcb4a 100644
--- a/internal/rosa/gnu.go
+++ b/internal/rosa/gnu.go
@@ -1142,8 +1142,8 @@ func init() {
 
 func (t Toolchain) newGCC() (pkg.Artifact, string) {
 	const (
-		version  = "15.2.0"
-		checksum = "TXJ5WrbXlGLzy1swghQTr4qxgDCyIZFgJry51XEPTBZ8QYbVmFeB4lZbSMtPJ-a1"
+		version  = "16.1.0"
+		checksum = "4ASoWbxaA2FW7PAB0zzHDPC5XnNhyaAyjtDPpGzceSLeYnEIXsNYZR3PA_Zu5P0K"
 	)
 
 	var configureExtra []KV