diff --git a/Dockerfile.armv6 b/Dockerfile.armv6
index e824380..4474374 100644
--- a/Dockerfile.armv6
+++ b/Dockerfile.armv6
@@ -8,6 +8,6 @@ RUN go mod download
 RUN CGO_ENABLED=0 go build -o /go/bin/splunk-mqtt
 
 # Now copy it into our base image.
-FROM alpine:3.17.2
+FROM alpine:3.21.0
 COPY --from=builder /go/bin/splunk-mqtt /splunk-mqtt
 CMD ["/splunk-mqtt"]
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