diff --git a/.github/workflows/gh-ci.yaml b/.github/workflows/gh-ci.yaml
index 17d4dfb..47d67bb 100644
--- a/.github/workflows/gh-ci.yaml
+++ b/.github/workflows/gh-ci.yaml
@@ -56,7 +56,6 @@ jobs:
         python-version: ${{ matrix.python-version }}
         environment-file: devtools/conda-envs/test_env.yaml
         add-pip-as-python-dependency: true
-        architecture: x64
 
         miniforge-variant: Mambaforge
         use-mamba: true
diff --git a/docs/requirements.yaml b/docs/requirements.yaml
index 2a0290b..4a57b5a 100644
--- a/docs/requirements.yaml
+++ b/docs/requirements.yaml
@@ -10,5 +10,7 @@ dependencies:
 
   - mdanalysis-sphinx-theme >=1.0.1
   - sphinxcontrib-bibtex
+  # Temporary pin whilst we don't support numpy 2.0 upstream
+  - numpy <2.0
     # Pip-only installs
   #- pip: