diff --git a/prometheus/Dockerfile b/prometheus/Dockerfile
index 43a7101..3c855ab 100755
--- a/prometheus/Dockerfile
+++ b/prometheus/Dockerfile
@@ -7,7 +7,7 @@ SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
 # Setup base system
 ARG BUILD_ARCH=amd64
-ENV PROMETHEUS_VERSION=2.21.0
+ENV PROMETHEUS_VERSION=2.22.2
 
 # Copy root filesystem
 COPY rootfs /