diff --git a/Dockerfile b/Dockerfile
index 2695361f..04399932 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@
 # #
 # #
 
-FROM docker.io/library/node:14-alpine@sha256:dc92f36e7cd917816fa2df041d4e9081453366381a00f40398d99e9392e78664 AS build_node_modules
+FROM docker.io/library/node:17-alpine AS build_node_modules
 
 # Copy Web UI
 COPY src/ /app/
@@ -18,7 +18,7 @@ RUN npm ci --production
 
 # Copy build result to a new image.
 # This saves a lot of disk space.
-FROM docker.io/library/node:14-alpine@sha256:dc92f36e7cd917816fa2df041d4e9081453366381a00f40398d99e9392e78664
+FROM docker.io/library/node:17-alpine
 COPY --from=build_node_modules /app /app
 
 # Move node_modules one directory up, so during development