diff --git a/.circleci/config.yml b/.circleci/config.yml
index f61c996..b1f0af1 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,7 +7,7 @@ version: 2.1
 parameters:
   node_version:
     type: string
-    default: '16.15.0'
+    default: '18.18.2'
 
 commands:
   install_deps:
diff --git a/bin/tt.tar.gz b/bin/tt.tar.gz
index 8cd6195..62394be 100644
Binary files a/bin/tt.tar.gz and b/bin/tt.tar.gz differ
diff --git a/compile-tesseract.sh b/compile-tesseract.sh
index 3bcad72..c43c197 100644
--- a/compile-tesseract.sh
+++ b/compile-tesseract.sh
@@ -1,5 +1,5 @@
 # Spin up and enter the docker container on your machine with the following command:
-# docker run -it --entrypoint /bin/bash public.ecr.aws/lambda/nodejs:16-x86_64
+# docker run -it --entrypoint /bin/bash public.ecr.aws/lambda/nodejs:18-arm64
 
 
 # Then run the rest of the commands inside
@@ -23,7 +23,7 @@ make install
 cd ~
 git clone https://github.com/tesseract-ocr/tesseract.git
 cd tesseract
-git checkout 5.1.0
+git checkout 5.3.3
 export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig
 ./autogen.sh
 ./configure
@@ -61,6 +61,6 @@ strip ./tesseract-standalone/**/*
 tar -zcvf tesseract.tar.gz tesseract-standalone
 
 # download from docker to local machine
-# 22e97e0774a0 is docker container id, you can look it up by running "docker ps"
+# d1c431e8c85e is docker container id, you can look it up by running "docker ps"
 # run this outside of the docker container
-docker cp 22e97e0774a0:/root/tesseract.tar.gz tt.tar.gz
+docker cp d1c431e8c85e:/root/tesseract.tar.gz tt.tar.gz
diff --git a/package.json b/package.json
index 09d8b9e..fa7f8fd 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "@shelf/eslint-config": "3.10.0",
     "@shelf/prettier-config": "1.0.0",
     "@types/jest": "29.5.7",
-    "@types/node": "16",
+    "@types/node": "18",
     "@types/tar": "6.1.7",
     "eslint": "8.48.0",
     "husky": "8.0.3",
@@ -67,7 +67,7 @@
     "typescript": "5.2.2"
   },
   "engines": {
-    "node": ">=16"
+    "node": ">=18"
   },
   "publishConfig": {
     "access": "public"
diff --git a/readme.md b/readme.md
index 4a80085..71bc82e 100644
--- a/readme.md
+++ b/readme.md
@@ -1,6 +1,6 @@
 # aws-lambda-tesseract [![CircleCI](https://circleci.com/gh/shelfio/aws-lambda-tesseract/tree/master.svg?style=svg)](https://circleci.com/gh/shelfio/aws-lambda-tesseract/tree/master) ![](https://img.shields.io/badge/code_style-prettier-ff69b4.svg) [![Tesseract](https://img.shields.io/badge/tesserract-6_MB-brightgreen.svg)](bin/)
 
-> 6 MB Tesseract 5.1 (with English training data) to fit inside AWS Lambda
+> 6 MB Tesseract 5.3.3 (with English training data) to fit inside AWS Lambda
 
 Inspired by [chrome-aws-lambda](https://github.com/alixaxel/chrome-aws-lambda) & [lambda-scanner-ocr](https://github.com/philippkeller/lambda-scanner-ocr)
 
@@ -18,9 +18,11 @@ $ yarn add @shelf/aws-lambda-tesseract
 
 `4.x` works for Node 16.x runtime and compiled with **Tesseract 5.1.0**. It works with x86_64 CPUs for now only.
 
+`5.x` works for Node 18.x runtime and compiled with **Tesseract 5.3.3**. It works with arm64 CPUs.
+
 ## How does it work?
 
-This package contains an archive with [Tesseract 5.1](https://github.com/tesseract-ocr/tesseract) compiled for usage in AWS Lambda environment.
+This package contains an archive with [Tesseract 5.3.3](https://github.com/tesseract-ocr/tesseract) compiled for usage in AWS Lambda environment.
 
 When a Lambda starts, it unpacks an archive with a binary to the `/tmp` folder and makes sure it's done only once per Lambda cold start.
 
diff --git a/test.sh b/test.sh
index 1e86dc6..e564189 100755
--- a/test.sh
+++ b/test.sh
@@ -12,5 +12,5 @@ yarn babel test.ts --out-file test.js
 docker run --rm \
   -v "$PWD":/var/task \
   -p 9000:8080 \
-  public.ecr.aws/lambda/nodejs:16-x86_64 \
+  public.ecr.aws/lambda/nodejs:18-arm64 \
   test.handler