diff --git a/requirements/base.in b/requirements/base.in
index 9b28d3885e..21c19fd141 100644
--- a/requirements/base.in
+++ b/requirements/base.in
@@ -6,6 +6,10 @@ furl
 glom
 git+https://github.com/maykinmedia/json-logic-py.git@f877f5326231bdcf4621783278f22c8565ec7913#egg=maykin-json-logic-py
 html5lib
+# see https://github.com/onelogin/python3-saml/issues/292 and
+# https://bugs.launchpad.net/lxml/+bug/1960668 -> we can avoid this by compiling lxml
+# against the system libxml2
+--no-binary lxml
 lxml
 O365  # microsoft graph
 phonenumbers
diff --git a/requirements/base.txt b/requirements/base.txt
index 783b5a613b..851c6449bb 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -4,6 +4,8 @@
 #
 #    ./bin/compile_dependencies.sh
 #
+--no-binary lxml
+
 amqp==5.0.9
     # via kombu
 asgiref==3.5.0
diff --git a/requirements/ci.txt b/requirements/ci.txt
index 64c7e4940a..3b6e9eee32 100644
--- a/requirements/ci.txt
+++ b/requirements/ci.txt
@@ -4,6 +4,8 @@
 #
 #    ./bin/compile_dependencies.sh
 #
+--no-binary lxml
+
 alabaster==0.7.12
     # via sphinx
 amqp==5.0.9
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 58ba63ae0c..d4b3dc31c1 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -4,6 +4,8 @@
 #
 #    ./bin/compile_dependencies.sh
 #
+--no-binary lxml
+
 alabaster==0.7.12
     # via
     #   -c requirements/ci.txt