diff --git a/nomad/dependencies.py b/nomad/dependencies.py
index 0c0a61a6139577379ba8b8cbe5432fe21cb4e5aa..2005d972a4b32bf1a5903ca6a966d351808dfea6 100644
--- a/nomad/dependencies.py
+++ b/nomad/dependencies.py
@@ -220,7 +220,7 @@ dependencies = [
     PythonGit(
         name='parsers/bigdft',
         git_url='https://gitlab.mpcdf.mpg.de/nomad-lab/parser-big-dft',
-        git_branch='nomad-fair'),
+        git_branch='nomad-fair')
 ]
 
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
index d323d6149c8f1199391429d868bad086d48dcf8f..77b9c115f7d9a956385dee4a09ffa9770e403de2 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,7 +6,7 @@ pylint_plugin_utils
 astroid==2.0.4  # bug in pylint_mongoengine with latest version
 pylint_mongoengine
 pycodestyle
-pytest
+pytest==3.10.0
 pytest-timeout
 pytest-cov
 rope