diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index dc52f4317b..c667229c04 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -112,6 +112,10 @@ optimizely-sdk<5.0
 # lxml==5.2.1 introduced new extra so we'll nee to rename lxml --> lxml[html-clean]
 # This constraint can be removed once we upgrade to Python 3.11
 lxml<5.0
+# This has to be constrained as well because newer versions of edx-i18n-tools need the
+# newer version of lxml but that requirement was not made expilict in the 1.6.0 version
+# of the package.  This can be un-pinned when we're upgrading lxml.
+edx-i18n-tools<1.6.0
 
 # xmlsec==1.3.14 breaking tests for all builds, can be removed once a fix is available
 xmlsec<1.3.14
@@ -125,3 +129,4 @@ path<16.12.0
 
 # Temporary to Support the python 3.11 Upgrade
 backports.zoneinfo;python_version<"3.9"  # Newer versions have zoneinfo available in the standard library
+