diff --git a/Dockerfile b/Dockerfile
index aa6980bc..de432d97 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,6 +10,8 @@ RUN pip install --no-cache-dir \
     ./review
 
 ENV LINTERS_DIRECTORY      /opt/linters
+
+ENV CHECKSTYLE_VERSION  8.44
 ENV CHECKSTYLE_DIRECTORY  ${LINTERS_DIRECTORY}/checkstyle
 
 ENV DETEKT_VERSION  1.14.2
@@ -29,4 +31,7 @@ RUN curl -sSLO https://github.com/detekt/detekt/releases/download/v${DETEKT_VERS
     && unzip detekt-cli-${DETEKT_VERSION}.zip -d ${DETEKT_DIRECTORY} \
     &&  curl -H "Accept: application/zip" https://repo.maven.apache.org/maven2/io/gitlab/arturbosch/detekt/detekt-formatting/${DETEKT_VERSION}/detekt-formatting-${DETEKT_VERSION}.jar -o ${DETEKT_DIRECTORY}/detekt-formatting-${DETEKT_VERSION}.jar
 
+# Install Checkstyle
+RUN curl -L https://github.com/checkstyle/checkstyle/releases/download/checkstyle-${CHECKSTYLE_VERSION}/checkstyle-${CHECKSTYLE_VERSION}-all.jar > ${CHECKSTYLE_DIRECTORY}/checkstyle-${CHECKSTYLE_VERSION}-all.jar
+
 CMD ["/bin/bash"]
diff --git a/README.md b/README.md
index 7f8b70df..2b76b2d7 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ The source code of **hyperstyle** is distributed under the Apache 2.0 License.
 
 The 3rd party software we use in this project has its own licenses.
 
-Python language:
+Python language (all versions can be found in the (requirements.txt)[requirements.txt] file):
 
 - [x]  flake8 [MIT]
     * [Site and docs](https://flake8.pycqa.org/en/latest/)
@@ -40,11 +40,11 @@ Python language:
 
 Java language:
 
-- [x]  PMD [BSD]
+- [x]  PMD [BSD] 
     * [Site and docs](https://pmd.github.io/)
     * [Repository](https://github.com/pmd/pmd)
   
-- [x]  Checkstyle [GNU LGPL v2.1] (Version: 6.36.0)
+- [x]  Checkstyle [GNU LGPL v2.1] (Version: 8.44)
     * [Site and docs](https://checkstyle.sourceforge.io/)
     * [Repository](https://github.com/checkstyle/checkstyle)
 
diff --git a/src/python/review/inspectors/checkstyle/checkstyle.py b/src/python/review/inspectors/checkstyle/checkstyle.py
index 127ec9cb..bc841676 100644
--- a/src/python/review/inspectors/checkstyle/checkstyle.py
+++ b/src/python/review/inspectors/checkstyle/checkstyle.py
@@ -1,8 +1,9 @@
 import logging
+import os
 from pathlib import Path
 from typing import Any, Dict, List
 
-from src.python.review.common.file_system import new_temp_dir
+from src.python.review.common.file_system import check_set_up_env_variable, new_temp_dir
 from src.python.review.common.subprocess_runner import run_in_subprocess
 from src.python.review.inspectors.base_inspector import BaseInspector
 from src.python.review.inspectors.checkstyle.issue_types import CHECK_CLASS_NAME_TO_ISSUE_TYPE
@@ -12,8 +13,14 @@
 
 logger = logging.getLogger(__name__)
 
+CHECKSTYLE_DIRECTORY_ENV = 'CHECKSTYLE_DIRECTORY'
+check_set_up_env_variable(CHECKSTYLE_DIRECTORY_ENV)
+CHECKSTYLE_VERSION_ENV = 'CHECKSTYLE_VERSION'
+check_set_up_env_variable(CHECKSTYLE_VERSION_ENV)
+
+PATH_CHECKSTYLE_JAR = f'{os.environ[CHECKSTYLE_DIRECTORY_ENV]}/checkstyle-{os.environ[CHECKSTYLE_VERSION_ENV]}-all.jar'
+
 PATH_TOOLS_PMD_FILES = Path(__file__).parent / 'files'
-PATH_TOOLS_CHECKSTYLE_JAR = PATH_TOOLS_PMD_FILES / 'checkstyle.jar'
 PATH_TOOLS_CHECKSTYLE_CONFIG = PATH_TOOLS_PMD_FILES / 'config.xml'
 
 
@@ -37,7 +44,7 @@ class CheckstyleInspector(BaseInspector):
     @classmethod
     def _create_command(cls, path: Path, output_path: Path) -> List[str]:
         return [
-            'java', '-jar', PATH_TOOLS_CHECKSTYLE_JAR,
+            'java', '-jar', PATH_CHECKSTYLE_JAR,
             '-c', PATH_TOOLS_CHECKSTYLE_CONFIG,
             '-f', 'xml', '-o', output_path, str(path),
         ]
diff --git a/src/python/review/inspectors/checkstyle/files/checkstyle.jar b/src/python/review/inspectors/checkstyle/files/checkstyle.jar
deleted file mode 100644
index 9b6d6e7d..00000000
Binary files a/src/python/review/inspectors/checkstyle/files/checkstyle.jar and /dev/null differ