diff --git a/requirements.txt b/requirements.txt
index 224866b..dbf234d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,11 +24,33 @@ pycodestyle==2.3.1
 pycparser==2.17
 pyparsing==2.2.0
 six==1.10.0
-SQLAlchemy>=1.1.9
+SQLAlchemy==1.1.9
 SQLAlchemy-FullText-Search==0.2.3
-SQLAlchemy-Utils>=0.32.14
+SQLAlchemy-Utils==0.32.14
 uWSGI==2.0.15
 visitor==0.1.3
 webassets==0.12.1
 Werkzeug==0.12.1
 WTForms==2.1
+## The following requirements were added by pip freeze:
+decorator==4.0.11
+elasticsearch==5.3.0
+elasticsearch-dsl==5.2.0
+ipython==6.0.0
+ipython-genutils==0.2.0
+jedi==0.10.2
+mysql-replication==0.13
+pexpect==4.2.1
+pickleshare==0.7.4
+pkg-resources==0.0.0
+progressbar2==3.20.0
+prompt-toolkit==1.0.14
+ptyprocess==0.5.1
+Pygments==2.2.0
+PyMySQL==0.7.11
+python-dateutil==2.6.0
+python-utils==2.1.0
+simplegeneric==0.8.1
+traitlets==4.3.2
+urllib3==1.21.1
+wcwidth==0.1.7