diff --git a/.tool-versions b/.tool-versions
index 9caef8f..436b537 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-nodejs 21.7.1
+nodejs 21.7.3
diff --git a/Dockerfile b/Dockerfile
index 88bac41..55c8d87 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:21.7.1
+FROM node:21.7.3
 
 ENV NODE_ENV production
 ENV PORT 3000