diff --git a/requirements-dev.txt b/requirements-dev.txt
index e62d1ee620..55e14fa9b8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,31 +5,31 @@
 #    pip-compile --output-file requirements-dev.txt requirements-dev.in -U --no-index
 #
 aspy.yaml==1.2.0          # via pre-commit
-bleach==3.1.0             # via readme-renderer
+bleach==3.1.4             # via readme-renderer
 certifi==2019.3.9         # via requests
 cfgv==1.6.0               # via pre-commit
 chardet==3.0.4            # via requests
 docutils==0.14            # via readme-renderer
-flake8==3.5.0
+flake8==3.5.0             # via -r requirements-dev.in
 identify==1.4.1           # via pre-commit
 idna==2.8                 # via requests
 importlib-metadata==0.9   # via pre-commit
-invoke==1.2.0
+invoke==1.2.0             # via -r requirements-dev.in
 mccabe==0.6.1             # via flake8
-nodeenv==1.3.3
+nodeenv==1.3.3            # via -r requirements-dev.in, pre-commit
 pkginfo==1.5.0.1          # via twine
-pre-commit==1.15.1
+pre-commit==1.15.1        # via -r requirements-dev.in
 pycodestyle==2.3.1        # via flake8
 pyflakes==1.6.0           # via flake8
 pygments==2.3.1           # via readme-renderer
-pyyaml==5.1
+pyyaml==5.1               # via -r requirements-dev.in, aspy.yaml, pre-commit
 readme-renderer==24.0     # via twine
 requests-toolbelt==0.9.1  # via twine
 requests==2.21.0          # via requests-toolbelt, twine
 six==1.12.0               # via bleach, cfgv, pre-commit, readme-renderer
 toml==0.10.0              # via pre-commit
 tqdm==4.31.1              # via twine
-twine==1.13.0
+twine==1.13.0             # via -r requirements-dev.in
 urllib3==1.24.1           # via requests
 virtualenv==16.4.3        # via pre-commit
 webencodings==0.5.1       # via bleach