diff --git a/.test-conda-env-py3.yml b/.test-conda-env-py3.yml
index d5e01eadd507ed75edf704a20147160d801b65e2..b2b8b1b47c08a0c809a666abce034ade305e1278 100644
--- a/.test-conda-env-py3.yml
+++ b/.test-conda-env-py3.yml
@@ -1,7 +1,6 @@
 name: test-conda-env-py3
 channels:
 - inducer
-- symengine
 - conda-forge
 - defaults
 dependencies:
@@ -12,6 +11,6 @@ dependencies:
 - islpy
 - pyopencl
 - python=3.5
-- symengine::symengine=0.3.0
-- symengine::python-symengine=0.3.0
+- symengine=0.3.0
+- python-symengine=0.3.0
 # things not in here: loopy boxtree pymbolic pyfmmlib