diff --git a/requirements.txt b/requirements.txt
index 9cf9b3581d2..ebe6453ad1b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ graphviz<0.21.0
 grpcio<1.60.0
 leabra-psyneulink<0.3.3
 llvmlite<0.42
-matplotlib<3.7.3
+matplotlib<3.8.1
 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
 numpy>=1.19.0, <1.24.5
diff --git a/tutorial_requirements.txt b/tutorial_requirements.txt
index 9efb1e3e58d..1a5cb90b960 100644
--- a/tutorial_requirements.txt
+++ b/tutorial_requirements.txt
@@ -1,3 +1,3 @@
 graphviz<0.21.0
 jupyter<1.0.1
-matplotlib<3.7.3
+matplotlib<3.8.1