diff --git a/.test-conda-env-py3.yml b/.test-conda-env-py3.yml
index a696dc8de72fdf5d00e90ea9a326efdc3c2d019b..1b7ee47cce442dd8c94de3af8a623bed55ad37f7 100644
--- a/.test-conda-env-py3.yml
+++ b/.test-conda-env-py3.yml
@@ -10,7 +10,9 @@ dependencies:
 - pocl
 - islpy
 - pyopencl
-- python=3.6
-- symengine=0.3.0
-- python-symengine=0.3.0
+- python=3.7
+- symengine=0.4.0
+- python-symengine=0.4.0
+
 # things not in here: loopy boxtree pymbolic pyfmmlib
+# (see .test-conda-env-py3-requirements.txt)
\ No newline at end of file