diff --git a/api/.dockerignore b/api/.dockerignore
index 30bc162..b512c09 100644
--- a/api/.dockerignore
+++ b/api/.dockerignore
@@ -1 +1 @@
-/node_modules
\ No newline at end of file
+node_modules
\ No newline at end of file
diff --git a/api/Dockerfile b/api/Dockerfile
index c0f61ee..8ba0fbd 100644
--- a/api/Dockerfile
+++ b/api/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:18-alpine AS BUILD_IMAGE
+FROM node:16-alpine AS BUILD_IMAGE
 
 RUN apk update && apk add yarn curl bash python3 g++ make 
 
@@ -21,7 +21,7 @@ RUN npm prune --production
 # run node prune
 RUN curl -sf https://gobinaries.com/tj/node-prune | sh
 
-FROM node:18-alpine AS RUN_IMAGE
+FROM node:16-alpine AS RUN_IMAGE
 
 WORKDIR /srv/app
 COPY --from=BUILD_IMAGE /srv/app .
diff --git a/api/package.json b/api/package.json
index 85f7056..9f448db 100644
--- a/api/package.json
+++ b/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "feedrapp",
-  "version": "1.10.0",
+  "version": "1.12.0",
   "description": "A service for parsing RSS and Atom feeds.",
   "main": "dist/index.js",
   "scripts": {
diff --git a/web/package.json b/web/package.json
index c98ef40..5cd6cc2 100644
--- a/web/package.json
+++ b/web/package.json
@@ -1,6 +1,6 @@
 {
   "name": "FeedrApp",
-  "version": "1.11.0",
+  "version": "1.12.0",
   "description": "A service for parsing RSS and Atom feeds.",
   "scripts": {
     "dev": "next dev",
@@ -18,8 +18,6 @@
   },
   "homepage": "https://github.com/sdepold/feedrapp",
   "dependencies": {
-    "fast-feed": "^1.7.0",
-    "fast-sort": "^3.4.0",
     "iconv-lite": "^0.6.3",
     "lodash": "^4.17.21",
     "next": "^13.0.6",
diff --git a/web/yarn.lock b/web/yarn.lock
index cd4f078..86ff74e 100644
--- a/web/yarn.lock
+++ b/web/yarn.lock
@@ -681,23 +681,11 @@ fast-deep-equal@^3.1.1:
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
   integrity sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==
 
-fast-feed@^1.7.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/fast-feed/-/fast-feed-1.7.0.tgz#c2d48e94e55026dad7dd22afb83e071e671c46bf"
-  integrity sha512-HCh+rvJz+LMR6m0FG2UamVqOq1du0n+o0xanQeVG5LM5NMZdf+k7VzoJCrQBDYyh/qWalUR6siJH0w2YAzU3/Q==
-  dependencies:
-    nan "^2.14.0"
-
 fast-json-stable-stringify@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz#874bf69c6f404c2b5d99c481341399fd55892633"
   integrity sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==
 
-fast-sort@^3.4.0:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/fast-sort/-/fast-sort-3.4.0.tgz#e5abb6bed199a601b34237d29db9262cdca82b3a"
-  integrity sha512-c/cMBGA5mH3OYjaXedtLIM3hQjv+KuZuiD2QEH5GofNOZeQVDIYIN7Okc2AW1KPhk44g5PTZnXp8t2lOMl8qhQ==
-
 flexsearch@^0.7.21:
   version "0.7.31"
   resolved "https://registry.yarnpkg.com/flexsearch/-/flexsearch-0.7.31.tgz#065d4110b95083110b9b6c762a71a77cc52e4702"
@@ -1735,11 +1723,6 @@ ms@2.1.2:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
 
-nan@^2.14.0:
-  version "2.17.0"
-  resolved "https://registry.yarnpkg.com/nan/-/nan-2.17.0.tgz#c0150a2368a182f033e9aa5195ec76ea41a199cb"
-  integrity sha512-2ZTgtl0nJsO0KQCjEpxcIr5D+Yv90plTitZt9JBfQvVJDS5seMl3FOvsh3+9CoYWXf/1l5OaZzzF6nDm4cagaQ==
-
 nanoid@^3.3.4:
   version "3.3.6"
   resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.6.tgz#443380c856d6e9f9824267d960b4236ad583ea4c"