diff --git a/dev-requirements.in b/dev-requirements.in
index 8d752df..ffefb38 100644
--- a/dev-requirements.in
+++ b/dev-requirements.in
@@ -1,5 +1,5 @@
 -c requirements.txt
-virtualenv<=20.16.2
+virtualenv<=20.36.1
 flake8
 pytest
 pytest-cov
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 0e9c6d1..f906c4f 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -18,12 +18,16 @@ coverage[toml]==7.6.5
     # via pytest-cov
 distlib==0.3.9
     # via virtualenv
+exceptiongroup==1.3.1
+    # via pytest
 filelock==3.16.1
     # via virtualenv
 flake8==7.1.1
     # via -r dev-requirements.in
 identify==2.6.2
     # via pre-commit
+importlib-metadata==8.7.1
+    # via build
 iniconfig==2.0.0
     # via pytest
 mccabe==0.7.0
@@ -45,7 +49,7 @@ pathspec==0.12.1
     # via black
 pip-tools==7.4.1
     # via -r dev-requirements.in
-platformdirs==2.6.2
+platformdirs==4.4.0
     # via
     #   black
     #   virtualenv
@@ -69,14 +73,28 @@ pytest-cov==6.0.0
     # via -r dev-requirements.in
 pyyaml==6.0.2
     # via pre-commit
-typing-extensions==4.12.2
-    # via mypy
-virtualenv==20.16.2
+tomli==2.4.0
+    # via
+    #   black
+    #   build
+    #   coverage
+    #   mypy
+    #   pip-tools
+    #   pytest
+typing-extensions==4.15.0
+    # via
+    #   black
+    #   exceptiongroup
+    #   mypy
+    #   virtualenv
+virtualenv==20.36.1
     # via
     #   -r dev-requirements.in
     #   pre-commit
 wheel==0.45.0
     # via pip-tools
+zipp==3.23.0
+    # via importlib-metadata
 
 # The following packages are considered to be unsafe in a requirements file:
 # pip