diff --git a/gromacs/meta.yaml b/gromacs/meta.yaml
index 5023c4e..98ed9e1 100644
--- a/gromacs/meta.yaml
+++ b/gromacs/meta.yaml
@@ -23,14 +23,14 @@ requirements:
     - python
   host:
     - fftw
-    - libhwloc 1.*
+    - libhwloc 2.*
     - libblas
     - liblapack
     - llvm-openmp  # [osx]
     - plumed
   run:
     - fftw
-    - libhwloc 1.*
+    - libhwloc 2.*
     - llvm-openmp  # [osx]
     - plumed >=2