diff --git a/nodepool/elements/infra-package-needs/install.d/10-pip-packages b/nodepool/elements/infra-package-needs/install.d/10-pip-packages
index ebcc3e3966..5d69578d84 100755
--- a/nodepool/elements/infra-package-needs/install.d/10-pip-packages
+++ b/nodepool/elements/infra-package-needs/install.d/10-pip-packages
@@ -20,7 +20,7 @@ if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
 fi
 set -e
 
-packages='tox'
+packages='tox==2.7.0'
 
 for package in $packages ; do
     pip install $package