diff --git a/requirements-dev.txt b/requirements-dev.txt
index 24d67ad..1e9dbfb 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,21 +4,76 @@
 #
 #    pip-compile --extra=dev --output-file=requirements-dev.txt
 #
+black==23.10.1
+    # via wsimod (pyproject.toml)
+build==1.0.3
+    # via pip-tools
+cfgv==3.4.0
+    # via pre-commit
+click==8.1.7
+    # via
+    #   black
+    #   pip-tools
 colorama==0.4.6
     # via
+    #   build
+    #   click
     #   pytest
     #   tqdm
+coverage[toml]==7.3.2
+    # via pytest-cov
 dill==0.3.7
     # via wsimod (pyproject.toml)
+distlib==0.3.7
+    # via virtualenv
+filelock==3.13.1
+    # via virtualenv
+identify==2.5.31
+    # via pre-commit
 iniconfig==2.0.0
     # via pytest
+mypy-extensions==1.0.0
+    # via black
+nodeenv==1.8.0
+    # via pre-commit
 packaging==23.2
-    # via pytest
+    # via
+    #   black
+    #   build
+    #   pytest
+pathspec==0.11.2
+    # via black
+pip-tools==7.3.0
+    # via wsimod (pyproject.toml)
+platformdirs==3.11.0
+    # via
+    #   black
+    #   virtualenv
 pluggy==1.3.0
     # via pytest
+pre-commit==3.5.0
+    # via wsimod (pyproject.toml)
+pyproject-hooks==1.0.0
+    # via build
 pytest==7.4.3
+    # via
+    #   pytest-cov
+    #   wsimod (pyproject.toml)
+pytest-cov==4.1.0
     # via wsimod (pyproject.toml)
 pyyaml==6.0.1
+    # via
+    #   pre-commit
+    #   wsimod (pyproject.toml)
+ruff==0.1.4
     # via wsimod (pyproject.toml)
 tqdm==4.66.1
     # via wsimod (pyproject.toml)
+virtualenv==20.24.6
+    # via pre-commit
+wheel==0.41.3
+    # via pip-tools
+
+# The following packages are considered to be unsafe in a requirements file:
+# pip
+# setuptools