diff --git a/requirements.txt b/requirements.txt
index 5947123..ca76cb1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,26 +4,25 @@
 #
 #    pip-compile -v requirements.in
 #
-asn1crypto==0.24.0        # via cryptography
 certifi==2019.3.9         # via python-telegram-bot
 cffi==1.12.2              # via cryptography
 click==7.0                # via flask
 cloudpickle==0.8.0        # via zproc
-cryptography==2.6.1       # via python-telegram-bot
-flask-autoindex==0.6.2
+cryptography==3.2         # via python-telegram-bot
+flask-autoindex==0.6.2    # via -r requirements.in
 flask-silk==0.2           # via flask-autoindex
-flask==1.0.2
+flask==1.0.2              # via -r requirements.in, flask-autoindex, flask-silk
 future==0.17.1            # via flask-autoindex, python-telegram-bot
 itsdangerous==1.1.0       # via flask
 jinja2==2.10              # via flask
 markupsafe==1.1.1         # via jinja2
 psutil==5.6.1             # via zproc
 pycparser==2.19           # via cffi
-python-decouple==3.1
-python-telegram-bot==11.1.0
-pyyaml==3.13
+python-decouple==3.1      # via -r requirements.in
+python-telegram-bot==11.1.0  # via -r requirements.in
+pyyaml==3.13              # via -r requirements.in
 pyzmq==18.0.1             # via zproc
 six==1.12.0               # via cryptography
 tblib==1.3.2              # via zproc
 werkzeug==0.14.1          # via flask
-zproc==0.9.4
+zproc==0.9.4              # via -r requirements.in