diff --git a/requirements-dev.txt b/requirements-dev.txt
index 0c04fa0..82e08d5 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
-sphinx==3.5.3
+sphinx==4.0.1
 twine==3.4.1
 wheel==0.36.2
-pytest==6.2.2
-pytest-cov==2.11.1
-flake8==3.9.0
+pytest==6.2.4
+pytest-cov==2.12.1
+flake8==3.9.2
diff --git a/requirements.txt b/requirements.txt
index 2a4d6ba..ad85b55 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 markdown==3.3.4
 feedgenerator==1.9.1
-jinja2==2.11.3
-pygments==2.8.1
+jinja2==3.0.1
+pygments==2.9.0