diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4ecf29f..17c1a3f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,12 +4,6 @@
 #
 #    pip-compile requirements-dev.in
 #
-appdirs==1.4.4
-    # via
-    #   -c requirements-test.txt
-    #   virtualenv
-appnope==0.1.2
-    # via ipython
 backcall==0.2.0
     # via ipython
 cfgv==3.2.0
@@ -20,16 +14,16 @@ click==8.0.0
     #   pip-tools
 decorator==5.0.7
     # via ipython
-distlib==0.3.1
+distlib==0.3.7
     # via virtualenv
-filelock==3.0.12
+filelock==3.12.4
     # via virtualenv
 identify==2.2.4
     # via pre-commit
-ipython-genutils==0.2.0
-    # via traitlets
 ipython==7.23.1
     # via -r requirements-dev.in
+ipython-genutils==0.2.0
+    # via traitlets
 jedi==0.18.0
     # via ipython
 matplotlib-inline==0.1.2
@@ -46,6 +40,8 @@ pickleshare==0.7.5
     # via ipython
 pip-tools==6.1.0
     # via -r requirements-dev.in
+platformdirs==3.11.0
+    # via virtualenv
 pre-commit==2.12.1
     # via -r requirements-dev.in
 prompt-toolkit==3.0.18
@@ -58,10 +54,6 @@ python-dotenv==0.17.1
     # via -r requirements-dev.in
 pyyaml==5.4.1
     # via pre-commit
-six==1.16.0
-    # via
-    #   -c requirements-test.txt
-    #   virtualenv
 toml==0.10.2
     # via
     #   -c requirements-test.txt
@@ -71,7 +63,7 @@ traitlets==5.0.5
     # via
     #   ipython
     #   matplotlib-inline
-virtualenv==20.4.6
+virtualenv==20.24.6
     # via pre-commit
 wcwidth==0.2.5
     # via prompt-toolkit