diff --git a/requirements.txt b/requirements.txt
index c1e2b23..05a64c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,6 +8,8 @@ cloudpickle==2.0.0
     # via shap
 commonmark==0.9.1
     # via rich
+contourpy==1.0.5
+    # via matplotlib
 cycler==0.11.0
     # via matplotlib
 fonttools==4.31.2
@@ -18,7 +20,7 @@ kiwisolver==1.4.0
     # via matplotlib
 llvmlite==0.38.0
     # via numba
-matplotlib==3.5.1
+matplotlib==3.6.1
     # via
     #   -r requirements.in
     #   seaborn
@@ -27,6 +29,7 @@ numba==0.55.1
 numpy==1.21.5
     # via
     #   -r requirements.in
+    #   contourpy
     #   matplotlib
     #   numba
     #   pandas
@@ -94,8 +97,6 @@ threadpoolctl==3.1.0
     # via scikit-learn
 tqdm==4.63.1
     # via shap
-typing-extensions==4.2.0
-    # via rich
 xgboost==1.5.2
     # via -r requirements.in