diff --git a/.test-conda-env-py3.yml b/.test-conda-env-py3.yml
index f336c9e94a3638652f794f6771e91ddc958e4354..bba7fcb09a46d1e7106b13af6eb92b6f216f9a90 100644
--- a/.test-conda-env-py3.yml
+++ b/.test-conda-env-py3.yml
@@ -8,7 +8,7 @@ dependencies:
 - git
 - conda-forge::numpy
 - conda-forge::sympy
-- pocl
+- pocl=0.13
 - islpy
 - pyopencl
 - python=3.5