diff --git a/Dockerfile b/Dockerfile
index 07b10e8..0d4ec6f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -62,7 +62,7 @@ SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 ARG TARGETARCH
 
 # renovate: datasource=node-version depName=node
-ARG NODE_VERSION=21.7.2
+ARG NODE_VERSION=21.7.3
 # renovate: datasource=npm depName=npm
 ARG NPM_VERSION=10.5.1
 
diff --git a/Dockerfile.no-systemd b/Dockerfile.no-systemd
index f1730c0..ed5908c 100644
--- a/Dockerfile.no-systemd
+++ b/Dockerfile.no-systemd
@@ -59,7 +59,7 @@ SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 ARG TARGETARCH
 
 # renovate: datasource=node-version depName=node
-ARG NODE_VERSION=21.7.2
+ARG NODE_VERSION=21.7.3
 # renovate: datasource=npm depName=npm
 ARG NPM_VERSION=10.5.1