diff --git a/binder/requirements.txt b/binder/requirements.txt
index 6d3667c..9c93984 100644
--- a/binder/requirements.txt
+++ b/binder/requirements.txt
@@ -3,4 +3,4 @@ tiingo==0.14.0
 
 # You technically don't have to use tiingo with pandas, but
 # we included it since most data analysts will have it installed already.
-pandas==1.3.3
+pandas==1.3.4
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 7034b21..4315bf4 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,15 +1,15 @@
-pip==21.3
+pip==21.3.1
 bumpversion==0.6.0
 wheel==0.37.0
 watchdog==2.1.6
-flake8==3.9.0
+flake8==4.0.1
 tox==3.24.4
-coverage==5.5
+coverage==6.2
 cryptography==35.0.0
-Sphinx==4.2.0
+Sphinx==4.3.1
 PyYAML==5.4.1
 pytest==6.2.5
 pytest-runner==5.3.1
 vcrpy==2.1.1
-twine==3.4.2
-black==21.8b0
+twine==3.6.0
+black==21.12b0