diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 97074f1f..cf2215a2 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -41,5 +41,5 @@
     // Mount the parent as /workspaces so we can pip install peers as editable
     "workspaceMount": "source=${localWorkspaceFolder}/..,target=/workspaces,type=bind",
     // After the container is created, install the python project in editable form
-    "postCreateCommand": "pip install -c dev-requirements.txt -e '.[dev]'"
+    "postCreateCommand": "pip install -c requirements/constraints.txt -e '.[dev]'"
 }
\ No newline at end of file
diff --git a/.github/workflows/_docs.yml b/.github/workflows/_docs.yml
index a8d90f19..6b56fbec 100644
--- a/.github/workflows/_docs.yml
+++ b/.github/workflows/_docs.yml
@@ -20,7 +20,7 @@ jobs:
           python-version: "3.11"
 
       - name: Install python packages
-        run: pip install -c dev-requirements.txt -e .[dev]
+        run: pip install -c requirements/constraints.txt -e .[dev]
 
       - name: Build docs
         run: tox -e docs
diff --git a/.github/workflows/_tox.yml b/.github/workflows/_tox.yml
index 6e4b312c..d9701fc0 100644
--- a/.github/workflows/_tox.yml
+++ b/.github/workflows/_tox.yml
@@ -23,7 +23,7 @@ jobs:
           python-version: "3.11"
 
       - name: Install python packages
-        run: pip install -c dev-requirements.txt -e .[dev]
+        run: pip install -c requirements/constraints.txt -e .[dev]
 
       - name: Run tox
         run: tox -e ${{ inputs.tox }}
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a6e42326..3143ae60 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -25,6 +25,6 @@ repos:
       - id: constraints
         name: check constraints match installed
         language: system
-        entry: pip-compile
-        files: ^(pyproject\.toml|dev-requirements\.txt)$
+        entry: ./requirements/regenerate.sh --if-non-empty
+        files: ^(pyproject\.toml|requirements/constraints\.txt)$
         pass_filenames: false
diff --git a/README.md b/README.md
index 1cf925ca..a6a15c12 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ Releases        | <https://github.com/DiamondLightSource/python-copier-template/
 It integrates the following tools:
 
 - [setuptools](https://setuptools.pypa.io) and [setuptools-scm](https://setuptools-scm.readthedocs.io) for packaging
-- [pip](https://pip.pypa.io) and [pip-compile](https://pip-tools.readthedocs.io) to manage installation
+- [pip](https://pip.pypa.io) to manage installation
 - [pytest](https://docs.pytest.org) for code testing and coverage
 - [pre-commit](https://pre-commit.com) to run linting and formatting such as [ruff](https://docs.astral.sh/ruff)
 - [pyright](https://microsoft.github.io/pyright) for static type checking
diff --git a/docs/how-to/dev-install.rst b/docs/how-to/dev-install.rst
index 111b4fe7..149ee0ec 100644
--- a/docs/how-to/dev-install.rst
+++ b/docs/how-to/dev-install.rst
@@ -28,7 +28,7 @@ requires python 3.8 or later) or to run in a container under `VSCode
             $ cd python3-pip-skeleton-cli
             $ python3 -m venv venv
             $ source venv/bin/activate
-            $ pip install -c dev-requirements.txt -e .[dev]
+            $ pip install -c requirements/constraints.txt -e .[dev]
 
     .. tab-item:: VSCode devcontainer
 
diff --git a/pyproject.toml b/pyproject.toml
index 88bfaa0f..ef32b7e1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,6 @@ dynamic = ["version"]
 dev = [
     "copier",
     "myst-parser",
-    "pip-tools",
     "pre-commit",
     "pydata-sphinx-theme>=0.12",
     "pytest",
@@ -60,13 +59,3 @@ select = [
     "W", # pycodestyle warnings - https://beta.ruff.rs/docs/rules/#warning-w
     "I", # isort - https://docs.astral.sh/ruff/rules/#isort-i
 ]
-
-[tool.pip-tools]
-src-files = ["pyproject.toml"]
-extras = ["dev"]
-output-file = "dev-requirements.txt"
-quiet = true
-# Make output suitable for use as a constraints file
-strip-extras = true
-# Remove annotations as coverage source seems to make false positive in CI
-annotate = false
diff --git a/dev-requirements.txt b/requirements/constraints.txt
similarity index 67%
rename from dev-requirements.txt
rename to requirements/constraints.txt
index d1d9b9cb..81e84b6e 100644
--- a/dev-requirements.txt
+++ b/requirements/constraints.txt
@@ -1,19 +1,11 @@
-#
-# This file is autogenerated by pip-compile with Python 3.11
-# by the following command:
-#
-#    pip-compile --extra=dev --no-annotate --output-file=dev-requirements.txt --strip-extras
-#
 accessible-pygments==0.0.4
 alabaster==0.7.16
 annotated-types==0.6.0
-babel==2.14.0
-beautifulsoup4==4.12.3
-build==1.0.3
+Babel==2.14.0
+beautifulsoup4==4.12.2
 certifi==2023.11.17
 cfgv==3.4.0
 charset-normalizer==3.3.2
-click==8.1.7
 colorama==0.4.6
 copier==9.1.1
 decorator==5.1.1
@@ -26,11 +18,11 @@ identify==2.5.33
 idna==3.6
 imagesize==1.4.1
 iniconfig==2.0.0
-jinja2==3.1.3
+Jinja2==3.1.3
 jinja2-ansible-filters==1.3.2
 livereload==2.6.3
 markdown-it-py==3.0.0
-markupsafe==2.1.4
+MarkupSafe==2.1.4
 mdit-py-plugins==0.4.0
 mdurl==0.1.2
 myst-parser==2.0.0
@@ -38,7 +30,6 @@ nodeenv==1.8.0
 packaging==23.2
 pathlib2==2.3.7.post1
 pathspec==0.12.1
-pip-tools==7.3.0
 platformdirs==4.1.0
 pluggy==1.3.0
 plumbum==1.8.2
@@ -46,12 +37,11 @@ pre-commit==3.6.0
 prompt-toolkit==3.0.36
 py==1.11.0
 pydantic==2.5.3
-pydantic-core==2.14.6
+pydantic_core==2.14.6
 pydata-sphinx-theme==0.15.2
-pygments==2.17.2
-pyproject-hooks==1.0.0
+Pygments==2.17.2
 pytest==7.4.4
-pyyaml==6.0.1
+PyYAML==6.0.1
 pyyaml-include==1.3.2
 questionary==2.0.1
 requests==2.31.0
@@ -59,10 +49,10 @@ ruff==0.1.14
 six==1.16.0
 snowballstemmer==2.2.0
 soupsieve==2.5
-sphinx==7.2.6
+Sphinx==7.2.6
 sphinx-autobuild==2021.3.14
 sphinx-copybutton==0.5.2
-sphinx-design==0.5.0
+sphinx_design==0.5.0
 sphinxcontrib-applehelp==1.0.8
 sphinxcontrib-devhelp==1.0.6
 sphinxcontrib-htmlhelp==2.0.5
@@ -72,12 +62,7 @@ sphinxcontrib-serializinghtml==1.1.10
 tornado==6.4
 tox==3.28.0
 tox-direct==0.4
-typing-extensions==4.9.0
+typing_extensions==4.9.0
 urllib3==2.1.0
 virtualenv==20.25.0
 wcwidth==0.2.13
-wheel==0.42.0
-
-# The following packages are considered to be unsafe in a requirements file:
-# pip
-# setuptools
diff --git a/requirements/regenerate.sh b/requirements/regenerate.sh
new file mode 100755
index 00000000..9540e7b3
--- /dev/null
+++ b/requirements/regenerate.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+CONSTRAINTS="$(dirname $0)/constraints.txt"
+if [ "$#" -eq 0 ]; then
+    # Run with no args then always generate
+    pip freeze --exclude-editable > $CONSTRAINTS
+elif [ "$1" == "--if-non-empty" ]; then
+    # Under pre-commit only generate if non empty
+    [ -s "$CONSTRAINTS" ] && pip freeze --exclude-editable > $CONSTRAINTS
+else
+    # Not recognised, provide help
+    cat <<EOF
+Usage: $(basename "$0") [options]
+
+Regenerates the pip constraints that will be used to make sure the dev
+environment and production environment are using the same superset of
+dependencies.
+
+Writes $CONSTRAINTS
+
+Options:
+    --if-non-empty  Only regenerate if the file is non-empty. Use this
+                    under pre-commit to allow optional constraints.
+EOF
+    exit 0;
+fi