diff --git a/Dockerfile.dev b/Dockerfile.dev
index 5328c50cf6d..65351153418 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -1,7 +1,7 @@
 # Dockerfile for quick development and testing
 # To build:
 #    docker build -t cloudprober:test . -f Dockerfile.dev
-FROM golang:1.18-alpine as build
+FROM golang:1.21-alpine as build
 
 WORKDIR /app
 COPY . /
@@ -9,5 +9,5 @@ RUN if [[ ! -f /cloudprober ]]; then go build -o /cloudprober /cmd/cloudprober.g
 
 FROM alpine
 COPY --from=build /cloudprober /cloudprober
-COPY cloudprober_test.cfg /etc/cloudprober.cfg
+COPY cmd/cloudprober_test.cfg /etc/cloudprober.cfg
 ENTRYPOINT ["/cloudprober"]