diff --git a/environment.yml b/environment.yml
index 5f9d29f7b15cf54120baeba43359b56d00a6d48a..0ab4ce832a1a070c6e547caa62309a99af928933 100644
--- a/environment.yml
+++ b/environment.yml
@@ -19,6 +19,6 @@ dependencies:
   - mpi4py
   - hdf5=*=mpi*
   - h5py=*=mpi*
-  - pip
+  - pip:
     - line-profiler
     - pybind11