diff --git a/requirements.txt b/requirements.txt
index 62157620..09d803fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,15 +4,12 @@ pandas==0.16.1
 progressbar2==2.7.3
 PyYaml==3.11
 toolz==0.7.2
-
---allow-external picklable-itertools
---allow-unverified picklable-itertools
-git+https://github.com/dwf/picklable_itertools.git#egg=picklable-itertools
+picklable-itertools==0.1.0
 
 --allow-external theano
 --allow-unverified theano
-git+https://github.com/Theano/Theano.git#egg=theano
+git+https://github.com/Theano/Theano.git@c6d2ab3929182cdf7cf12e4b1f191a6ff99d07cc#egg=theano
 
 --allow-external fuel
 --allow-unverified fuel
-git+https://github.com/mila-udem/fuel#egg=fuel
+git+https://github.com/mila-udem/fuel@stable#egg=fuel