diff --git a/environment.yml b/environment.yml
index c9a1b4c85f..bc870f5125 100644
--- a/environment.yml
+++ b/environment.yml
@@ -81,11 +81,11 @@ dependencies:
   - conda-forge::gprof2dot
   - conda-forge::numdifftools
   - conda-forge::quantities
+  - conda-forge::lpsolve55
   - conda-forge::ringdecomposerlib-python
   - conda-forge::muq
 
 # packages we maintain
-  - rmg::lpsolve55
   - rmg::pydas >=1.0.3
   - rmg::pydqed >=1.0.3
   - rmg::pyrdl