diff --git a/README.md b/README.md
index ef0d2e10..eab9fc24 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ To install all these dependencies in a virtual environment, run
 $ conda env create -f environment.yaml
 $ conda activate L96M2lines
 $ python -m pip install -r requirements.txt
-$ python -c 'import pysr; pysr.install()'
+$ python -c "import pysr; pysr.install()"
 ```
 
 To speed up the continuous integration, we also generated a
diff --git a/environment.yaml b/environment.yaml
index 2d05b952..eb74bd49 100644
--- a/environment.yaml
+++ b/environment.yaml
@@ -5,6 +5,7 @@ channels:
   - conda-forge
   - defaults
   - anaconda
+  - numba/label/dev
 dependencies:
   - python=3.9
   - matplotlib
@@ -24,5 +25,5 @@ dependencies:
   - pip
   - xarray
   - pysr
-  - nomkl
+  # - nomkl
   - graphviz