diff --git a/testdata/project-v3/Dockerfile b/testdata/project-v3/Dockerfile
index 8f9cca18eb6..6de4d83c9e1 100644
--- a/testdata/project-v3/Dockerfile
+++ b/testdata/project-v3/Dockerfile
@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM golang:1.19 as builder
+FROM golang:1.21 as builder
 ARG TARGETOS
 ARG TARGETARCH