diff --git a/Programming/anaconda/2019.07/conda-env-defs/hpce-tools/hpce-tools.yml b/Programming/anaconda/2019.07/conda-env-defs/hpce-tools/hpce-tools.yml
index ebab9ed..c7b4f79 100644
--- a/Programming/anaconda/2019.07/conda-env-defs/hpce-tools/hpce-tools.yml
+++ b/Programming/anaconda/2019.07/conda-env-defs/hpce-tools/hpce-tools.yml
@@ -18,3 +18,6 @@ dependencies:
   - tox-conda
   - pytest
   - bpython
+  - jinja2  # for relion templates
+  - pip:
+    - j2cli[yaml]