diff --git a/.conda/elements/cuda/meta.yaml b/.conda/elements/cuda/meta.yaml
index 7d8500dbe..bd4bdde3d 100644
--- a/.conda/elements/cuda/meta.yaml
+++ b/.conda/elements/cuda/meta.yaml
@@ -26,11 +26,11 @@ requirements:
     - matar-cuda
     - openmpi
   host:
-    - openmpi
+    - openmpi >=4.1.6,<5.0a0
     - matar-cuda
     - kokkos=4.1
   run:
-    - openmpi
+    - openmpi >=4.1.6,<5.0a0
     - matar-cuda
     - kokkos=4.1
 
diff --git a/.conda/evpfft/cuda/meta.yaml b/.conda/evpfft/cuda/meta.yaml
index 6a2039d04..60f8afaa5 100644
--- a/.conda/evpfft/cuda/meta.yaml
+++ b/.conda/evpfft/cuda/meta.yaml
@@ -28,13 +28,13 @@ requirements:
     - matar-cuda
     - openmpi
   host:
-    - openmpi
+    - openmpi >=4.1.6,<5.0a0
     - heffte-cuda
     - hdf5=*=mpi_openmpi_*
     - kokkos=4.1
     - matar-cuda
   run:
-    - openmpi
+    - openmpi >=4.1.6,<5.0a0
     - heffte-cuda
     - hdf5=*=mpi_openmpi_*
     - kokkos=4.1
diff --git a/.conda/ls-evpfft-j2/cpu/meta.yaml b/.conda/ls-evpfft-j2/cpu/meta.yaml
index ce2c88bdb..9d4af02d9 100644
--- a/.conda/ls-evpfft-j2/cpu/meta.yaml
+++ b/.conda/ls-evpfft-j2/cpu/meta.yaml
@@ -25,14 +25,14 @@ requirements:
     - {{ compiler('cxx') }}={{ macos_compiler_version }} # [osx]
     - openmpi
   host:
-    - openmpi
+    - openmpi >=4.1.6,<5.0a0
     - heffte-cpu
     - fftw=*=mpi_openmpi_*
     - kokkos=4.1
     - hdf5=*=mpi_openmpi_*
     - elements-cpu
   run:
-    - openmpi
+    - openmpi >=4.1.6,<5.0a0
     - heffte-cpu
     - fftw=*=mpi_openmpi_*
     - kokkos=4.1
diff --git a/.conda/ls-evpfft-j2/cuda/meta.yaml b/.conda/ls-evpfft-j2/cuda/meta.yaml
index ea93cf0e0..9588e405f 100644
--- a/.conda/ls-evpfft-j2/cuda/meta.yaml
+++ b/.conda/ls-evpfft-j2/cuda/meta.yaml
@@ -27,12 +27,12 @@ requirements:
     - openmpi
   host:
     - cuda-toolkit
-    - openmpi
+    - openmpi >=4.1.6,<5.0a0
     - heffte-cuda
     - hdf5=*=mpi_openmpi_h457a7a6_3
     - elements
   run:
-    - openmpi
+    - openmpi >=4.1.6,<5.0a0
     - heffte-cuda
     - hdf5=*=mpi_openmpi_h457a7a6_3
     - elements
diff --git a/.conda/ls-evpfft/cuda/meta.yaml b/.conda/ls-evpfft/cuda/meta.yaml
index e4563928f..0e99be5fd 100644
--- a/.conda/ls-evpfft/cuda/meta.yaml
+++ b/.conda/ls-evpfft/cuda/meta.yaml
@@ -27,12 +27,12 @@ requirements:
     - openmpi
   host:
     - cuda-toolkit
-    - openmpi
+    - openmpi >=4.1.6,<5.0a0
     - heffte-cuda
     - hdf5=*=mpi_openmpi_h457a7a6_3
     - elements
   run:
-    - openmpi
+    - openmpi >=4.1.6,<5.0a0
     - heffte-cuda
     - hdf5=*=mpi_openmpi_h457a7a6_3
     - elements
diff --git a/.conda/matar/cuda/meta.yaml b/.conda/matar/cuda/meta.yaml
index df97b86dc..9a9d43f4f 100644
--- a/.conda/matar/cuda/meta.yaml
+++ b/.conda/matar/cuda/meta.yaml
@@ -26,10 +26,10 @@ requirements:
     - kokkos=4.1
     - openmpi
   host:
-    - openmpi
+    - openmpi >=4.1.6,<5.0a0
     - kokkos=4.1
   run:
-    - openmpi
+    - openmpi >=4.1.6,<5.0a0
     - kokkos=4.1