diff --git a/.conda/heffte/cuda/meta.yaml b/.conda/heffte/cuda/meta.yaml
index 2849cf265..ed3c52da1 100644
--- a/.conda/heffte/cuda/meta.yaml
+++ b/.conda/heffte/cuda/meta.yaml
@@ -25,8 +25,8 @@ requirements:
     - {{ compiler('fortran') }}={{ linux_compiler_version }}
       #- {{ compiler('c') }}={{ linux_compiler_version }} # [linux]
       #- {{ compiler('c') }}={{ macos_compiler_version }} # [osx]
-      #- {{ compiler('cxx') }}={{ linux_compiler_version }} # [linux]
-      #- {{ compiler('cxx') }}={{ macos_compiler_version }} # [osx]
+    - {{ compiler('cxx') }}={{ linux_compiler_version }} # [linux]
+    - {{ compiler('cxx') }}={{ macos_compiler_version }} # [osx]
     - openmpi
     - openmpi-mpicxx
     - cuda-toolkit={{ cuda_version }}