diff --git a/requirements.txt b/requirements.txt
index b3394f0..e83526d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,53 +7,54 @@
 alembic==1.0.0            # via flask-alembic
 amqp==2.3.2               # via kombu
 aniso8601==3.0.2          # via flask-restful
-appdirs==1.4.3
+appdirs==1.4.3            # via -r requirements.in
 arrow==0.12.1             # via jinja2-time
 babel==2.6.0              # via flask-babelex
-bcrypt==3.1.4
-beautifulsoup4==4.6.3
+backports.functools-lru-cache==1.6.1  # via arrow
+bcrypt==3.1.4             # via -r requirements.in
+beautifulsoup4==4.6.3     # via -r requirements.in
 billiard==3.5.0.4         # via celery
 blinker==1.4              # via flask-mail, flask-principal
-celery==4.2.1
+celery==4.2.1             # via -r requirements.in
 cffi==1.11.5              # via bcrypt
 click==6.7                # via flask
-flask-admin==1.5.1
-flask-alembic==2.0.1
+flask-admin==1.5.1        # via -r requirements.in
+flask-alembic==2.0.1      # via -r requirements.in
 flask-babelex==0.9.3      # via flask-security
 flask-login==0.4.1        # via flask-security
-flask-mail==0.9.1
-flask-marshmallow==0.9.0
+flask-mail==0.9.1         # via -r requirements.in, flask-security
+flask-marshmallow==0.9.0  # via -r requirements.in
 flask-principal==0.4.0    # via flask-security
-flask-restful==0.3.6
-flask-security==3.0.0
-flask-session==0.3.1
-flask-sqlalchemy==2.3.2
+flask-restful==0.3.6      # via -r requirements.in
+flask-security==3.0.0     # via -r requirements.in
+flask-session==0.3.1      # via -r requirements.in
+flask-sqlalchemy==2.3.2   # via -r requirements.in, flask-alembic
 flask-wtf==0.14.2         # via flask-security
-flask==1.0.2
+flask==1.0.2              # via -r requirements.in, flask-admin, flask-alembic, flask-babelex, flask-login, flask-mail, flask-marshmallow, flask-principal, flask-restful, flask-security, flask-session, flask-sqlalchemy, flask-wtf
 itsdangerous==0.24        # via flask, flask-security
-jinja2-time==0.2.0
-jinja2==2.10
+jinja2-time==0.2.0        # via -r requirements.in
+jinja2==2.10              # via -r requirements.in, flask, flask-babelex, jinja2-time
 kombu==4.2.1              # via celery
-lxml==4.2.4
+lxml==4.6.2               # via -r requirements.in
 mako==1.0.7               # via alembic
-markdown==2.6.11
+markdown==2.6.11          # via -r requirements.in
 markupsafe==1.0           # via jinja2, mako
-marshmallow-sqlalchemy==0.14.1
+marshmallow-sqlalchemy==0.14.1  # via -r requirements.in
 marshmallow==2.15.4       # via flask-marshmallow, marshmallow-sqlalchemy
 passlib==1.7.1            # via flask-security
-psycopg2==2.7.5
+psycopg2==2.7.5           # via -r requirements.in
 pycparser==2.18           # via cffi
-python-dateutil==2.7.3
+python-dateutil==2.7.3    # via -r requirements.in, alembic, arrow
 python-editor==1.0.3      # via alembic
-python-frontmatter==0.4.2
-pytz==2018.5
+python-frontmatter==0.4.2  # via -r requirements.in
+pytz==2018.5              # via -r requirements.in, babel, celery, flask-restful, tzlocal
 pyyaml==3.13              # via python-frontmatter
-redis==2.10.6
+redis==2.10.6             # via -r requirements.in
 six==1.11.0               # via bcrypt, flask-marshmallow, flask-restful, python-dateutil, python-frontmatter
 speaklater==1.3           # via flask-babelex
 sqlalchemy==1.2.10        # via alembic, flask-alembic, flask-sqlalchemy, marshmallow-sqlalchemy
-tzlocal==1.5.1
-uwsgi==2.0.17.1
+tzlocal==1.5.1            # via -r requirements.in
+uwsgi==2.0.17.1           # via -r requirements.in
 vine==1.1.4               # via amqp
 werkzeug==0.14.1          # via flask
 wtforms==2.2.1            # via flask-admin, flask-wtf