diff --git a/conda-envs/environment-dev.yml b/conda-envs/environment-dev.yml
index b6a9c52b91..22ba03f95d 100644
--- a/conda-envs/environment-dev.yml
+++ b/conda-envs/environment-dev.yml
@@ -20,11 +20,13 @@ dependencies:
 - threadpoolctl>=3.1.0
 - zarr>=2.5.0,<3
 # Extra dependencies for dev, testing and docs build
+- blackjax
 - ipython>=7.16
 - jax
 - jupyter-sphinx
 - myst-nb<=1.0.0
 - numpydoc
+- numpyro
 - pre-commit>=2.8.0
 - polyagamma
 - pytest-cov>=2.5
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 8b59683594..bcd20f1fd7 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,6 +2,7 @@
 # See that file for comments about the need/usage of each dependency.
 
 arviz>=0.13.0
+blackjax
 cachetools>=4.2.1
 cloudpickle
 ipython>=7.16
@@ -12,6 +13,7 @@ myst-nb<=1.0.0
 numdifftools>=0.9.40
 numpy>=1.25.0
 numpydoc
+numpyro
 pandas>=0.24.0
 polyagamma
 pre-commit>=2.8.0