diff --git a/requirements/extra_web.txt b/requirements/extra_web.txt
index 051b1e0..ce93fe1 100644
--- a/requirements/extra_web.txt
+++ b/requirements/extra_web.txt
@@ -1,4 +1,4 @@
-pyramid
+pyramid==1.8.3
 pyramid_chameleon
 pyramid_debugtoolbar
 pyramid_layout