diff --git a/Dockerfile b/Dockerfile
index 7d1359e..6cf32a7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-FROM amazonlinux:2018.03.0.20200318.1
+FROM public.ecr.aws/lambda/python:3.9-x86_64
 
-ENV LEPTONICA_VERSION="1.75.1"
+ENV LEPTONICA_VERSION="1.82.0"
 # docker_build leptonica
 WORKDIR /tmp/
 RUN yum install clang wget zip gzip tar autoconf xz libpng-devel libtiff-devel zlib-devel libwebp-devel libjpeg-turbo-devel make libtool pkgconfig -y
@@ -15,4 +15,4 @@ RUN cd autoconf-archive-2019.01.06 && cp m4/* /usr/share/aclocal/
 
 COPY build_tesseract.sh /tmp/build_tesseract.sh
 RUN chmod +x /tmp/build_tesseract.sh
-CMD sh /tmp/build_tesseract.sh
\ No newline at end of file
+ENTRYPOINT ["sh" ,"/tmp/build_tesseract.sh"]
diff --git a/build_tesseract.sh b/build_tesseract.sh
index 193aefd..d63c7f3 100644
--- a/build_tesseract.sh
+++ b/build_tesseract.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-TESSERACT_VERSION="4.1.1"
+TESSERACT_VERSION="5.1.0"
 
 # docker_build tesseract
 cd ~
@@ -18,15 +18,19 @@ mkdir tesseract-standalone
 cd tesseract-standalone
 cp /usr/local/bin/tesseract .
 mkdir lib
-cp /usr/local/lib/libtesseract.so.4 lib/
+cp /usr/local/lib/libtesseract.so.5 lib/
 cp /usr/local/lib/liblept.so.5 lib/
 cp /usr/lib64/libjpeg.so.62 lib/
 cp /usr/lib64/libwebp.so.4 lib/
 cp /usr/lib64/libpng15.so.15 lib/
+cp /usr/lib64/libtiff.so.5 lib/
+cp /usr/lib64/libgomp.so.1 lib/
+cp /usr/lib64/libjbig.so.2.0 lib/
+
 mkdir tessdata
 cd tessdata
 
-wget https://github.com/tesseract-ocr/tessdata_fast/raw/master/eng.traineddata
+wget https://github.com/tesseract-ocr/tessdata_best/raw/main/eng.traineddata
 
 mkdir configs
 cp /usr/local/share/tessdata/configs/pdf configs/
diff --git a/serverless.yml b/serverless.yml
index 31bc97b..cc546f3 100644
--- a/serverless.yml
+++ b/serverless.yml
@@ -1,8 +1,10 @@
 service: tesseract-aws-lambda
 
+frameworkVersion: '3'
+
 provider:
   name: aws
-  runtime: python3.7
+  runtime: python3.9
 
 package:
   exclude:
@@ -19,7 +21,6 @@ package:
     - test.jpg
     - test_handler.py
     - use_ocr_as_a_service.py
-    - layer/**
 
 layers:
   OCR:
@@ -27,11 +28,11 @@ layers:
     name: ocr-layer
     description: Layer with Tesseract
     compatibleRuntimes:
-      - python3.7
+      - python3.9
     retain: false
     package:
       include:
-        - layer/**
+        - tesseract
 
 functions:
   ocr: