diff --git a/cmd/watchmantest/Dockerfile b/cmd/watchmantest/Dockerfile
index b8719181..df5a51d4 100644
--- a/cmd/watchmantest/Dockerfile
+++ b/cmd/watchmantest/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20-alpine as builder
+FROM golang:1.21-alpine as builder
 RUN apk add -U make git
 RUN adduser -D -g '' --shell /bin/false moov
 WORKDIR /go/src/github.com/moov-io/watchman
diff --git a/examples/webhook/Dockerfile b/examples/webhook/Dockerfile
index 34e25353..47c4b2dc 100644
--- a/examples/webhook/Dockerfile
+++ b/examples/webhook/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20-alpine as builder
+FROM golang:1.21-alpine as builder
 WORKDIR /go/src/github.com/moov-io/watchman
 RUN apk add -U make git
 RUN adduser -D -g '' --shell /bin/false moov