diff --git a/bindings/python/requirements.txt b/bindings/python/requirements.txt
index 0c1832dd..8bc1a8e0 100644
--- a/bindings/python/requirements.txt
+++ b/bindings/python/requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --pre bindings/python/requirements.in
 #
-opengeode-core==14.*,>=14.3.2
+opengeode-core==14.*,>=14.3.3rc1
     # via
     #   -r bindings/python/requirements.in
     #   opengeode-geosciences