diff --git a/requirements.txt b/requirements.txt
index 4e5c97d9..828995a1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@
 #    pip-compile
 #
 aiocontextvars==0.2.2     # via -r requirements.in
-aiohttp==3.5.4            # via raven-aiohttp, yacron
+aiohttp==3.5.4            # via yacron
 aiosmtpd==1.2             # via -r requirements.in
 aiosmtplib==1.0.6         # via yacron
 aiospamc==0.6.1           # via -r requirements.in
@@ -32,7 +32,7 @@ cfgv==3.2.0               # via pre-commit
 chardet==3.0.4            # via aiohttp, requests
 click==7.1.2              # via black, flask, pip-tools
 coloredlogs==10.0         # via -r requirements.in
-crontab==0.22.5           # via yacron
+crontab==0.22.8           # via yacron
 cryptography==2.7         # via jwcrypto, pyopenssl, webauthn
 decorator==4.4.0          # via ipython, traitlets
 distlib==0.3.1            # via virtualenv
@@ -63,7 +63,7 @@ httplib2==0.17.0          # via google-api-python-client, google-auth-httplib2
 humanfriendly==4.18       # via coloredlogs
 identify==1.5.0           # via pre-commit
 idna==2.8                 # via requests, yarl
-importlib-metadata==0.18  # via pluggy, pre-commit, pytest, virtualenv
+importlib-metadata==0.18  # via pluggy, pytest
 ipython-genutils==0.2.0   # via traitlets
 ipython==7.5.0            # via -r requirements.in
 itsdangerous==1.1.0       # via flask, flask-debugtoolbar
@@ -108,16 +108,15 @@ python-dateutil==2.8.0    # via alembic, arrow, botocore, strictyaml
 python-dotenv==0.10.3     # via -r requirements.in
 python-editor==1.0.4      # via alembic
 python-gnupg==0.4.5       # via -r requirements.in
+pytz==2020.1              # via yacron
 pyyaml==5.3.1             # via pre-commit
-raven-aiohttp==0.7.0      # via yacron
-raven==6.10.0             # via raven-aiohttp, yacron
 regex==2020.7.14          # via black
 requests-oauthlib==1.2.0  # via -r requirements.in
 requests==2.22.0          # via facebook-sdk, requests-oauthlib
 rsa==4.0                  # via google-auth
 ruamel.yaml==0.15.97      # via strictyaml
 s3transfer==0.2.1         # via boto3
-sentry-sdk==0.18.0        # via -r requirements.in
+sentry-sdk==0.18.0        # via -r requirements.in, yacron
 simplejson==3.17.0        # via flask-profiler
 six==1.12.0               # via bcrypt, cryptography, flask-cors, flask-limiter, google-api-python-client, google-auth, limits, packaging, pip-tools, prompt-toolkit, pyopenssl, pytest, python-dateutil, sqlalchemy-utils, traitlets, virtualenv, webauthn
 sqlalchemy-utils==0.36.1  # via -r requirements.in
@@ -136,7 +135,7 @@ wcwidth==0.1.7            # via prompt-toolkit, pytest
 webauthn==0.4.7           # via -r requirements.in
 werkzeug==0.15.4          # via flask, flask-debugtoolbar
 wtforms==2.2.1            # via -r requirements.in, flask-admin, flask-wtf
-yacron==0.9.0             # via -r requirements.in
+yacron==0.11.1            # via -r requirements.in
 yarl==1.3.0               # via aiohttp
 zipp==0.5.1               # via importlib-metadata
 zope.event==4.4           # via gevent