diff --git a/.go-version b/.go-version
index 06fb41b6..b9a05a6d 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.17.2
+1.17.3
diff --git a/images/kindnetd/Dockerfile b/images/kindnetd/Dockerfile
index 4d9b48ed..d1b794a7 100644
--- a/images/kindnetd/Dockerfile
+++ b/images/kindnetd/Dockerfile
@@ -24,6 +24,6 @@ COPY . .
 RUN CGO_ENABLED=0 go build -o ./kindnetd ./cmd/kindnetd
 
 # build real kindnetd image
-FROM k8s.gcr.io/build-image/debian-iptables:buster-v1.6.7
+FROM k8s.gcr.io/build-image/debian-iptables:buster-v1.7.0
 COPY --from=0 --chown=root:root ./go/src/kindnetd /bin/kindnetd
 CMD ["/bin/kindnetd"]