diff --git a/zapgrpc/internal/test/go.mod b/zapgrpc/internal/test/go.mod
index 011bbede3..ea95417f7 100644
--- a/zapgrpc/internal/test/go.mod
+++ b/zapgrpc/internal/test/go.mod
@@ -1,6 +1,6 @@
 module go.uber.org/zap/zapgrpc/internal/test
 
-go 1.17
+go 1.21
 
 require (
 	github.com/stretchr/testify v1.8.1