diff --git a/.travis.yml b/.travis.yml
index 86d0b20..48ca530 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,8 +6,8 @@ php:
   - 8.2
 
 install:
-  - wget https://raw.githubusercontent.com/php-opencv/php-opencv-packages/master/opencv_4.5.0_amd64.deb
-  - sudo dpkg -i opencv_4.5.0_amd64.deb
+  - wget https://raw.githubusercontent.com/php-opencv/php-opencv-packages/master/opencv_4.5.5_amd64.deb
+  - sudo dpkg -i opencv_4.5.5_amd64.deb
   - phpize
   - ./configure
   - make
diff --git a/Dockerfile b/Dockerfile
index 23fbefd..1047e11 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ FROM morozovsk/php-opencv:travis
 #RUN add-apt-repository ppa:ondrej/php
 #RUN apt update
 #RUN export DEBIAN_FRONTEND=noninteractive && apt install -y php8.0 php8.0-dev
-#RUN wget https://raw.githubusercontent.com/php-opencv/php-opencv-packages/master/opencv_4.5.0_amd64.deb && dpkg -i opencv_4.5.0_amd64.deb && rm opencv_4.5.0_amd64.deb
+#RUN wget https://raw.githubusercontent.com/php-opencv/php-opencv-packages/master/opencv_4.5.5_amd64.deb && dpkg -i opencv_4.5.5_amd64.deb && rm opencv_4.5.5_amd64.deb
 
 RUN git clone https://github.com/php-opencv/php-opencv.git
 
diff --git a/README.md b/README.md
index 0f75276..49ca752 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@
 - [PHP OpenCV Api](https://phpopencv.github.io/api/)
 
 #### Requirements
-- OpenCV 4.0.0+
+- OpenCV 4.5.5+
 - PHP 7.0 / 7.1 / 7.2 / 7.3 / 7.4 / 8.0 / 8.1 / 8.2
 
 #### Features