diff --git a/conda.yml b/conda.yml
index 3323798087..0f52b8ca03 100644
--- a/conda.yml
+++ b/conda.yml
@@ -23,7 +23,7 @@ dependencies:
   - dask
   - doxygen
   - git
-  - hdf5=*=mpi_openmpi_*,=1.14.0
+  - hdf5=1.14.0=mpi_openmpi_*
   - mamba
   - make
   - mpi4py