diff --git a/requirements/dev-requirements.txt b/requirements/dev-requirements.txt
index 11d6a2509..674994ffa 100644
--- a/requirements/dev-requirements.txt
+++ b/requirements/dev-requirements.txt
@@ -6,4 +6,4 @@ ipdb==0.10.1
 pip-review==0.4
 pygraphviz==1.3.1
 pytest-ipdb==0.1-prerelease2
-pipdeptree
+pipdeptree==0.10.1
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index e64eb97dc..f0f3573cc 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -16,8 +16,8 @@ django-filter==0.15.3
 django-floppyforms==1.6.2
 django-model-utils==2.5
 django-sass-processor==0.5.4
-djangorestframework
-drfdocs
+djangorestframework==3.4.0
+drfdocs==0.0.11
 easy-thumbnails==2.3
 git+git://github.com/interlegis/trml2pdf.git
 libsass==0.11.1
diff --git a/requirements/test-requirements.txt b/requirements/test-requirements.txt
index 7dd6def90..5599b6d80 100644
--- a/requirements/test-requirements.txt
+++ b/requirements/test-requirements.txt
@@ -1,6 +1,6 @@
 -r requirements.txt
 coverage==4.1
-django-webtest
+django-webtest==1.7.8
 flake8==2.6.2
 isort==4.2.5
 model-mommy==1.2.6