diff --git a/requirements_dev.txt b/requirements_dev.txt
index a4da1be..cc9db37 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,17 +1,17 @@
-pip==21.1.3
-wheel==0.36.2
-black==21.6b0
+pip==21.2.4
+wheel==0.37.0
+black==21.9b0
 flake8==3.9.2
-numpy==1.21.0
-torch==1.9.0
-torchvision==0.10.0
-twine==3.4.1
-pytest==6.2.4
+numpy==1.21.2
+torch==1.9.1
+torchvision==0.10.1
+twine==3.4.2
+pytest==6.2.5
 pytest-cov==2.12.1
 pytest-sugar==0.9.4
-coveralls==3.1.0
+coveralls==3.2.0
 ase==3.22.0
 git+https://github.com/atomistic-machine-learning/schnetpack.git
-sphinx==4.0.2
+sphinx==4.2.0
 sphinx-rtd-theme==0.5.2
 git+https://github.com/crossnox/m2r@dev#egg=m2r