diff --git a/requirements.txt b/requirements.txt
index 2215999bc6e..f3a472125c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ graph-scheduler>=0.2.0, <1.1.3
 graphviz<0.21.0
 grpcio<1.59.0
 leabra-psyneulink<0.3.3
-llvmlite<0.41
+llvmlite<0.42
 matplotlib<3.7.3
 modeci_mdf<0.5, >=0.3.4; (platform_machine == 'AMD64' or platform_machine == 'x86_64') and platform_python_implementation == 'CPython' and implementation_name == 'cpython'
 networkx<3.2