diff --git a/requirements/base.txt b/requirements/base.txt
index a77c7ca6..83b05a87 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -130,7 +130,7 @@ edx-django-utils==5.10.1
     #   openedx-events
 edx-drf-extensions==10.2.0
     # via edx-completion
-edx-event-routing-backends==9.3.0
+git+https://github.com/nelc/event-routing-backends.git@redwood-mig/add_lesson_constant
     # via
     #   -c requirements/constraints.txt
     #   -r requirements/base.in
diff --git a/requirements/dev.txt b/requirements/dev.txt
index a2429c01..13a339bc 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -216,7 +216,7 @@ edx-drf-extensions==10.2.0
     # via
     #   -r requirements/quality.txt
     #   edx-completion
-edx-event-routing-backends==9.3.0
+git+https://github.com/nelc/event-routing-backends.git@redwood-mig/add_lesson_constant
     # via
     #   -c requirements/constraints.txt
     #   -r requirements/quality.txt
diff --git a/requirements/doc.txt b/requirements/doc.txt
index ffa1e216..cdc24cca 100644
--- a/requirements/doc.txt
+++ b/requirements/doc.txt
@@ -236,7 +236,7 @@ edx-drf-extensions==10.2.0
     #   -r requirements/base.txt
     #   -r requirements/test.txt
     #   edx-completion
-edx-event-routing-backends==9.3.0
+git+https://github.com/nelc/event-routing-backends.git@redwood-mig/add_lesson_constant
     # via
     #   -r requirements/base.txt
     #   -r requirements/test.txt
diff --git a/requirements/quality.txt b/requirements/quality.txt
index 69f2f828..a36b73af 100644
--- a/requirements/quality.txt
+++ b/requirements/quality.txt
@@ -201,7 +201,7 @@ edx-drf-extensions==10.2.0
     # via
     #   -r requirements/test.txt
     #   edx-completion
-edx-event-routing-backends==9.3.0
+git+https://github.com/nelc/event-routing-backends.git@redwood-mig/add_lesson_constant
     # via
     #   -c requirements/constraints.txt
     #   -r requirements/test.txt
diff --git a/requirements/test.txt b/requirements/test.txt
index 2dd35c8f..c3119384 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -188,7 +188,7 @@ edx-drf-extensions==10.2.0
     # via
     #   -r requirements/base.txt
     #   edx-completion
-edx-event-routing-backends==9.3.0
+git+https://github.com/nelc/event-routing-backends.git@redwood-mig/add_lesson_constant
     # via
     #   -c requirements/constraints.txt
     #   -r requirements/base.txt