diff --git a/.github/workflows/nox-session.yml b/.github/workflows/nox-session.yml
index bff14e5..d56c9b3 100644
--- a/.github/workflows/nox-session.yml
+++ b/.github/workflows/nox-session.yml
@@ -92,12 +92,12 @@ jobs:
 
       - name: Install Poetry
         run: |
-          pipx install --pip-args=--constraint=dev-tool-requirements.txt poetry
+          pipx install --pip-args=--constraint=${{ github.workspace }}/dev-tool-requirements.txt poetry
           poetry --version
 
       - name: Install Nox
         run: |
-          pipx install --pip-args=--constraint=dev-tool-requirements.txt nox
+          pipx install --pip-args=--constraint=${{ github.workspace }}/dev-tool-requirements.txt nox
           nox --version
 
       - name: Compute pre-commit cache key
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d4d5e7f..0b1a41c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -51,12 +51,12 @@ jobs:
 
       - name: Install Poetry
         run: |
-          pipx install --pip-args=--constraint=dev-tool-requirements.txt poetry
+          pipx install --pip-args=--constraint=${{ github.workspace }}/dev-tool-requirements.txt poetry
           poetry --version
 
       - name: Install Nox
         run: |
-          pipx install --pip-args=--constraint=dev-tool-requirements.txt nox
+          pipx install --pip-args=--constraint=${{ github.workspace }}/dev-tool-requirements.txt nox
           nox --version
 
       - name: Build wheel
diff --git a/docs/build-docs b/docs/build-docs
index 786d462..772e12a 100755
--- a/docs/build-docs
+++ b/docs/build-docs
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 import argparse
-import datetime
+from datetime import date
 import shutil
 import subprocess
 import sys
@@ -67,6 +67,8 @@ def build_module_docs() -> None:
             "-D",
             f"project=pytket-{MODULE}",
             "-D",
+            f"copyright={date.today().year} Cambridge Quantum Computing",
+            "-D",
             f"version={'.'.join(v[:2])}",
             "-D",
             f"release={'.'.join(v)}",