diff --git a/requirements.txt b/requirements.txt
index d910945..0081fb4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,6 @@
 #    pip-compile
 #
 ansi==0.1.3               # via errbot
-asn1crypto==0.24.0        # via cryptography
 atomicwrites==1.3.0       # via pytest
 attrs==19.1.0             # via pytest
 beautifulsoup4==4.8.0     # via webtest
@@ -13,14 +12,14 @@ certifi==2019.6.16        # via dulwich, requests
 cffi==1.12.3              # via cryptography
 chardet==3.0.4            # via requests
 click==7.0                # via flask
-codecov==2.0.15
+codecov==2.0.15           # via -r requirements.in
 colorlog==2.10.0          # via errbot
 coverage==4.5.3           # via codecov, pytest-cov
-cryptography==2.7         # via pyopenssl
+cryptography==3.2         # via pyopenssl
 daemonize==2.5.0          # via errbot
 deprecated==1.2.6         # via pygithub
 dulwich==0.19.11          # via errbot
-errbot==6.1.1
+errbot==6.1.1             # via -r requirements.in
 flask==1.1.1              # via errbot
 idna==2.8                 # via requests
 importlib-metadata==0.18  # via pluggy, pytest
@@ -33,13 +32,13 @@ packaging==19.0           # via pytest
 pluggy==0.12.0            # via pytest
 py==1.8.0                 # via pytest
 pycparser==2.19           # via cffi
-pygithub==1.43.8
+pygithub==1.43.8          # via -r requirements.in
 pygments-markdown-lexer==0.1.0.dev39  # via errbot
 pygments==2.4.2           # via errbot, pygments-markdown-lexer
 pyjwt==1.7.1              # via pygithub
 pyopenssl==19.0.0         # via errbot
 pyparsing==2.4.1.1        # via packaging
-pytest-cov==2.7.1
+pytest-cov==2.7.1         # via -r requirements.in
 pytest==5.0.1             # via pytest-cov
 requests==2.22.0          # via codecov, errbot, pygithub
 six==1.12.0               # via cryptography, packaging, pyopenssl, webtest