diff --git a/requirements.txt b/requirements.txt
index 8a9a2d01f..c1b534c73 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ pyramid>=1.10.2,<2
 pyramid_beaker==0.8
 pyramid_chameleon>=0.3
 pyramid_mako>=1.0.2
-pyramid_retry
+pyramid_retry==1.0
 pyramid_tm>=2.2.1
 python-dotenv
 python2-secrets; python_version <= "3.5"