diff --git a/ChangeLog.md b/ChangeLog.md
index d619e50..3d491d3 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [v0.3.1] - 2019-08-07
 ### Fixed
 - Fixed an issue where the `DataApi` class's `results_iter` method would return no data 
   when receiving responses from Data API endpoints that set the "`data`" field of the
diff --git a/learnosity_sdk/_version.py b/learnosity_sdk/_version.py
index f255a96..032d372 100644
--- a/learnosity_sdk/_version.py
+++ b/learnosity_sdk/_version.py
@@ -1 +1 @@
-__version__ = 'v0.3.0'
+__version__ = 'v0.3.1'
diff --git a/requirements.txt b/requirements.txt
index 2525f49..28a75fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,27 @@
+attrs==19.1.0
 certifi==2019.3.9
 chardet==3.0.4
+cookies==2.2.1
+coverage==4.5.4
+filelock==3.0.12
 idna==2.8
+importlib-metadata==0.19
+packaging==19.1
+pkginfo==1.5.0.1
+pluggy==0.12.0
+py==1.8.0
+pyparsing==2.4.2
+pytest==2.9.2
+pytest-cov==2.3.0
+pytest-runner==2.9
 requests==2.22.0
+requests-toolbelt==0.9.1
+responses==0.8.1
+six==1.12.0
+toml==0.10.0
+tox==3.13.2
+tqdm==4.32.2
+twine==1.11.0
 urllib3==1.25.3
+virtualenv==16.7.2
+zipp==0.5.2