diff --git a/.test-conda-env-py3-macos.yml b/.test-conda-env-py3-macos.yml
index df5e252b167ab984c5f87b3813c919cd44bbbdae..3db6f243aff2d05b2d79704897394184b8f67304 100644
--- a/.test-conda-env-py3-macos.yml
+++ b/.test-conda-env-py3-macos.yml
@@ -11,8 +11,7 @@ dependencies:
 - islpy
 - pyopencl
 - python>=3.6
-- symengine=0.3.0
-- python-symengine=0.3.0
+- python-symengine=0.6.0
 - pyfmmlib
 # for OpenMP support in pyfmmlib
 - libgfortran>=3.0.1
diff --git a/.test-conda-env-py3.yml b/.test-conda-env-py3.yml
index caf24fdf502fcad9196ad58f346c9b7c74d5bfd1..2571d81dac9220e24c72e83efe224a7a8b20cebd 100644
--- a/.test-conda-env-py3.yml
+++ b/.test-conda-env-py3.yml
@@ -11,8 +11,7 @@ dependencies:
 - islpy
 - pyopencl
 - python=3
-- symengine=0.3.0
-- python-symengine=0.3.0
+- python-symengine=0.6.0
 - pyfmmlib
 - cython
 - gmsh