diff --git a/Dockerfile b/Dockerfile
index 0c50419..3a8c798 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Build stage: install dependencies and produce the adapter-node output.
-FROM denoland/deno:2.9.2 AS build
+FROM denoland/deno:2.9.3 AS build
 WORKDIR /app
 ENV DENO_NO_UPDATE_CHECK=1
 
@@ -12,7 +12,7 @@ RUN deno task build
 # Runtime stage (alpine keeps the image small). The adapter-node output
 # resolves npm packages at runtime, so node_modules and the manifests come
 # along; dev tooling does not run.
-FROM denoland/deno:alpine-2.9.2
+FROM denoland/deno:alpine-2.9.3
 WORKDIR /app
 ENV DENO_NO_UPDATE_CHECK=1