diff --git a/.gitignore b/.gitignore
index 7a17c8e..c4eb95f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,7 +3,8 @@
 *[~#]
 .cache
 .dir-locals.el
-.tox
+.eggs
 .vimrc
 __pycache__
+build
 dist
diff --git a/.travis.yml b/.travis.yml
index ea96292..0b1593d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,12 +9,12 @@ python:
   - "3.7"
 
 install:
-  - pip install coveralls tox-travis -r requirements.txt
+  - pip install coveralls -r requirements.txt
 
 script:
   - flake8
   - black --check ./
-  - tox
+  - coverage run --source full_yaml_metadata -m setup test
 
 after_success:
   - coveralls
diff --git a/full_yaml_metadata.py b/full_yaml_metadata.py
index 6fa8da8..fd8fa98 100644
--- a/full_yaml_metadata.py
+++ b/full_yaml_metadata.py
@@ -24,7 +24,7 @@ class FullYamlMetadataPreprocessor(markdown.preprocessors.Preprocessor):
     def run(self, lines: list) -> list:
         meta_lines, lines = self.split_by_meta_and_content(lines)
 
-        self.md.Meta = yaml.load("\n".join(meta_lines))
+        self.md.Meta = yaml.load("\n".join(meta_lines), Loader=yaml.FullLoader)
         return lines
 
     def split_by_meta_and_content(self, lines: list) -> typing.Tuple[list]:
diff --git a/requirements.txt b/requirements.txt
index 37d1b3b..524e9f8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,25 +1,24 @@
 appdirs==1.4.3
 atomicwrites==1.3.0
 attrs==19.1.0
-black==18.9b0
+black==19.3b0
 Click==7.0
 entrypoints==0.3
 flake8==3.7.7
 flake8-debugger==3.1.0
-flake8-isort==2.6.0
+flake8-isort==2.7.0
 flake8-print==3.1.0
 flake8-quotes==1.0.0
-isort==4.3.10
-Markdown==3.0.1
+isort==4.3.16
+Markdown==3.1
 mccabe==0.6.1
-more-itertools==6.0.0
+more-itertools==7.0.0
 pluggy==0.9.0
-py==1.7.0
+py==1.8.0
 pycodestyle==2.5.0
 pyflakes==2.1.1
-Pygments==2.2.0
-pytest==4.3.0
-PyYAML==3.13
+pytest==4.4.0
+PyYAML==5.1
 six==1.12.0
-testfixtures==6.4.3
+testfixtures==6.6.2
 toml==0.10.0
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..b7e4789
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,2 @@
+[aliases]
+test=pytest
diff --git a/setup.py b/setup.py
index 470b009..0ab8372 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@ def read(fname):
     author="Nikita Sivakov",
     author_email="sivakov512@gmail.com",
     description="YAML metadata extension for Python-Markdown",
-    install_requires=["Markdown==3.0.1", "PyYAML>=3.13"],
+    install_requires=["Markdown~=3.0", "PyYAML~=5.0"],
     keywords="markdown yaml meta metadata",
     license="MIT",
     long_description=read("README.md"),
@@ -20,7 +20,8 @@ def read(fname):
     name="markdown-full-yaml-metadata",
     py_modules=["full_yaml_metadata"],
     python_requires=">=3.6",
-    setup_requires=["setuptools-markdown"],
+    setup_requires=["pytest-runner"],
+    tests_require=["pytest"],
     version="1.0.0",
     url="https://github.com/sivakov512/python-markdown-full-yaml-metadata",
 )
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index 64de491..0000000
--- a/tox.ini
+++ /dev/null
@@ -1,8 +0,0 @@
-[tox]
-envlist = py36, py37
-
-[testenv]
-commands = coverage run --source full_yaml_metadata -m pytest
-deps =
-     coverage
-     -rrequirements.txt