diff --git a/instrumented_apps/FirefoxLite/FirefoxLite-#5085/tools/l10n/android2po/requirements.txt b/instrumented_apps/FirefoxLite/FirefoxLite-#5085/tools/l10n/android2po/requirements.txt
index e92aa26..f08348b 100644
--- a/instrumented_apps/FirefoxLite/FirefoxLite-#5085/tools/l10n/android2po/requirements.txt
+++ b/instrumented_apps/FirefoxLite/FirefoxLite-#5085/tools/l10n/android2po/requirements.txt
@@ -2,6 +2,6 @@
 
 argparse
 babel==2.4
-lxml==3.8.0
+lxml==6.1.0
 ordereddict
 termcolor