diff --git a/docs/requirements.txt b/docs/requirements.txt
index 98662c3..902b656 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,6 @@
 ansi2html==1.5.2
 mkdocs==1.0.4
+pygments==2.5.1
 mkdocs-exclude==1.0.2
 mkdocs-material==4.5.0
 markdown-include==0.5.1
diff --git a/requirements.txt b/requirements.txt
index 102994c..ffc45eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,9 +2,7 @@
 -r docs/requirements.txt
 -r tests/requirements.txt
 
-docutils==0.15.2
 devtools==0.5.1
-pygments==2.4.2
 email-validator==1.0.5
 dataclasses==0.6; python_version < '3.7'
 typing-extensions==3.7.4.1
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 9d5c7e1..678dc58 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -7,8 +7,8 @@ isort==4.3.21
 mypy==0.740
 pycodestyle==2.5.0
 pyflakes==2.1.1
-pytest==5.3.0
+pytest==5.3.1
 pytest-cov==2.8.1
 pytest-mock==1.12.1
 pytest-sugar==0.9.2
-twine==3.1.0
+twine==3.1.1