diff --git a/setup.cfg b/setup.cfg
index b2d15d2b..1a460bb2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -38,7 +38,7 @@ dev =
     black
 build =
     gym==0.21.0
-    matplotlib==3.4.3
+    matplotlib==3.5.0
 
 [flake8]
 max-line-length = 88
diff --git a/simzoo/envs/biological/oscillator/requirements.txt b/simzoo/envs/biological/oscillator/requirements.txt
index a8f25573..634702c2 100644
--- a/simzoo/envs/biological/oscillator/requirements.txt
+++ b/simzoo/envs/biological/oscillator/requirements.txt
@@ -1,2 +1,2 @@
 gym==0.21.0
-matplotlib==3.4.3
\ No newline at end of file
+matplotlib==3.5.0
\ No newline at end of file
diff --git a/simzoo/envs/classic_control/cart_pole_cost/requirements.txt b/simzoo/envs/classic_control/cart_pole_cost/requirements.txt
index a8f25573..634702c2 100644
--- a/simzoo/envs/classic_control/cart_pole_cost/requirements.txt
+++ b/simzoo/envs/classic_control/cart_pole_cost/requirements.txt
@@ -1,2 +1,2 @@
 gym==0.21.0
-matplotlib==3.4.3
\ No newline at end of file
+matplotlib==3.5.0
\ No newline at end of file
diff --git a/simzoo/envs/classic_control/ex3_ekf/requirements.txt b/simzoo/envs/classic_control/ex3_ekf/requirements.txt
index a8f25573..634702c2 100644
--- a/simzoo/envs/classic_control/ex3_ekf/requirements.txt
+++ b/simzoo/envs/classic_control/ex3_ekf/requirements.txt
@@ -1,2 +1,2 @@
 gym==0.21.0
-matplotlib==3.4.3
\ No newline at end of file
+matplotlib==3.5.0
\ No newline at end of file