diff --git a/.github/workflows/ubuntu20.yml b/.github/workflows/ubuntu20.yml
index 30b7d2812..39002be30 100644
--- a/.github/workflows/ubuntu20.yml
+++ b/.github/workflows/ubuntu20.yml
@@ -24,7 +24,9 @@ jobs:
           
       - name: Install dependencies
         run: |
-          sudo apt-get update -y 
+          sudo apt-get update
+          sudo apt-get install -y software-properties-common
+          sudo add-apt-repository ppa:alex-p/tesseract-ocr5
           sudo apt-get install -y  --no-install-recommends \
             apt-transport-https \
             software-properties-common \
diff --git a/docker/ubuntu20-dotnet6-opencv4.6.0/Dockerfile b/docker/ubuntu20-dotnet6-opencv4.6.0/Dockerfile
index 705a5f3ee..f77a5978c 100644
--- a/docker/ubuntu20-dotnet6-opencv4.6.0/Dockerfile
+++ b/docker/ubuntu20-dotnet6-opencv4.6.0/Dockerfile
@@ -6,7 +6,8 @@ ENV OPENCV_VERSION=4.6.0
 WORKDIR /
 
 # Install opencv dependencies
-RUN apt-get update && apt-get -y install --no-install-recommends \
+RUN apt-get update && apt-get install -y software-properties-common && add-apt-repository ppa:alex-p/tesseract-ocr5 \
+   && apt-get -y install --no-install-recommends \
       apt-transport-https \
       software-properties-common \
       wget \
diff --git a/docker/ubuntu20-dotnet6-opencv4.7.0/Dockerfile b/docker/ubuntu20-dotnet6-opencv4.7.0/Dockerfile
index 9acaef9e9..cc6ea236d 100644
--- a/docker/ubuntu20-dotnet6-opencv4.7.0/Dockerfile
+++ b/docker/ubuntu20-dotnet6-opencv4.7.0/Dockerfile
@@ -6,7 +6,8 @@ ENV OPENCV_VERSION=4.7.0
 WORKDIR /
 
 # Install opencv dependencies
-RUN apt-get update && apt-get -y install --no-install-recommends \
+RUN apt-get update && apt-get install -y software-properties-common && add-apt-repository ppa:alex-p/tesseract-ocr5 \
+   && apt-get -y install --no-install-recommends \
       apt-transport-https \
       software-properties-common \
       wget \
@@ -33,8 +34,8 @@ RUN apt-get update && apt-get -y install --no-install-recommends \
       x264 \
       libtesseract-dev \
       libgdiplus \
-    && apt-get -y clean \
-    && rm -rf /var/lib/apt/lists/*
+   && apt-get -y clean \
+   && rm -rf /var/lib/apt/lists/*
 
 # Setup opencv and opencv-contrib source
 RUN wget -q https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.zip && \
diff --git a/docker/ubuntu20-dotnet6sdk-opencv4.6.0/Dockerfile b/docker/ubuntu20-dotnet6sdk-opencv4.6.0/Dockerfile
index e05302449..c36814ce8 100644
--- a/docker/ubuntu20-dotnet6sdk-opencv4.6.0/Dockerfile
+++ b/docker/ubuntu20-dotnet6sdk-opencv4.6.0/Dockerfile
@@ -6,7 +6,8 @@ ENV OPENCV_VERSION=4.6.0
 WORKDIR /
 
 # Install opencv dependencies
-RUN apt-get update && apt-get -y install --no-install-recommends \
+RUN apt-get update && apt-get install -y software-properties-common && add-apt-repository ppa:alex-p/tesseract-ocr5 \
+   && apt-get -y install --no-install-recommends \
       apt-transport-https \
       software-properties-common \
       wget \
diff --git a/docker/ubuntu22-dotnet6-opencv4.7.0/Dockerfile b/docker/ubuntu22-dotnet6-opencv4.7.0/Dockerfile
index 4974f8c86..a84ff46a5 100644
--- a/docker/ubuntu22-dotnet6-opencv4.7.0/Dockerfile
+++ b/docker/ubuntu22-dotnet6-opencv4.7.0/Dockerfile
@@ -6,7 +6,8 @@ ENV OPENCV_VERSION=4.7.0
 WORKDIR /
 
 # Install opencv dependencies
-RUN apt-get update && apt-get -y install --no-install-recommends \
+RUN apt-get update && apt-get install -y software-properties-common && add-apt-repository ppa:alex-p/tesseract-ocr5 \
+   && apt-get -y install --no-install-recommends \
       apt-transport-https \
       software-properties-common \
       wget \
@@ -32,8 +33,8 @@ RUN apt-get update && apt-get -y install --no-install-recommends \
       x264 \
       libtesseract-dev \
       libgdiplus \
-    && apt-get -y clean \
-    && rm -rf /var/lib/apt/lists/*
+   && apt-get -y clean \
+   && rm -rf /var/lib/apt/lists/*
 
 # Setup opencv and opencv-contrib source
 RUN wget -q https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.zip && \
diff --git a/docker/ubuntu22-dotnet6-opencv4.8.0/Dockerfile b/docker/ubuntu22-dotnet6-opencv4.8.0/Dockerfile
index fe9d4235b..4beeae7bb 100644
--- a/docker/ubuntu22-dotnet6-opencv4.8.0/Dockerfile
+++ b/docker/ubuntu22-dotnet6-opencv4.8.0/Dockerfile
@@ -6,7 +6,8 @@ ENV OPENCV_VERSION=4.8.0
 WORKDIR /
 
 # Install opencv dependencies
-RUN apt-get update && apt-get -y install --no-install-recommends \
+RUN apt-get update && apt-get install -y software-properties-common && add-apt-repository ppa:alex-p/tesseract-ocr5 \
+   && apt-get -y install --no-install-recommends \
       apt-transport-https \
       software-properties-common \
       wget \
diff --git a/docker/ubuntu22-dotnet6sdk-opencv4.7.0/Dockerfile b/docker/ubuntu22-dotnet6sdk-opencv4.7.0/Dockerfile
index ac6dac800..95100ed92 100644
--- a/docker/ubuntu22-dotnet6sdk-opencv4.7.0/Dockerfile
+++ b/docker/ubuntu22-dotnet6sdk-opencv4.7.0/Dockerfile
@@ -6,7 +6,8 @@ ENV OPENCV_VERSION=4.7.0
 WORKDIR /
 
 # Install opencv dependencies
-RUN apt-get update && apt-get -y install --no-install-recommends \
+RUN apt-get update && apt-get install -y software-properties-common && add-apt-repository ppa:alex-p/tesseract-ocr5 \
+   && apt-get -y install --no-install-recommends \
       apt-transport-https \
       software-properties-common \
       wget \
@@ -32,8 +33,8 @@ RUN apt-get update && apt-get -y install --no-install-recommends \
       x264 \
       libtesseract-dev \
       libgdiplus \
-    && apt-get -y clean \
-    && rm -rf /var/lib/apt/lists/*
+   && apt-get -y clean \
+   && rm -rf /var/lib/apt/lists/*
 
 # Setup opencv and opencv-contrib source
 RUN wget -q https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.zip && \