diff --git a/agent/Dockerfile b/agent/Dockerfile
index d457376b11a98fbbeee0bb16fa3541844647c52b..e41229fa7e744afa6093dd6acd5eee4cbb0fc187 100644
--- a/agent/Dockerfile
+++ b/agent/Dockerfile
@@ -17,7 +17,7 @@ RUN echo "EXTRAS" && apt-get install -y --no-install-recommends \
 RUN echo "CERTS" && apt-get install -y --reinstall ca-certificates
 RUN git clone https://github.com/sflow/host-sflow \
     && cd host-sflow \
-    && make all install FEATURES="PCAP TCP DOCKER DROPMON CONTAINERD K8S DENT PSAMPLE" PROCFS=/rootproc
+    && make all install FEATURES="PCAP TCP DOCKER DROPMON CONTAINERD K8S DENT PSAMPLE JSON" PROCFS=/rootproc
 
 FROM ubuntu:24.04
 RUN echo "UPDATE" && apt-get update