diff --git a/.circleci/config.yml b/.circleci/config.yml
index 3e61aa2..8b4ef2f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,6 +1,6 @@
 # This file was generated automatically from conda-smithy. To update this configuration,
 # update the conda-forge.yml and/or the recipe/meta.yaml.
-# -*- mode: yaml -*-
+# -*- mode: jinja-yaml -*-
 
 version: 2
 
diff --git a/.scripts/build_steps.sh b/.scripts/build_steps.sh
index 595f8b5..71a4242 100755
--- a/.scripts/build_steps.sh
+++ b/.scripts/build_steps.sh
@@ -33,9 +33,9 @@ CONDARC
 
 
 mamba install --update-specs --yes --quiet --channel conda-forge \
-    conda-build pip boa conda-forge-ci-setup=3
+    conda-build pip boa conda-forge-ci-setup=3 "py-lief<0.12"
 mamba update --update-specs --yes --quiet --channel conda-forge \
-    conda-build pip boa conda-forge-ci-setup=3
+    conda-build pip boa conda-forge-ci-setup=3 "py-lief<0.12"
 
 # set up the condarc
 setup_conda_rc "${FEEDSTOCK_ROOT}" "${RECIPE_ROOT}" "${CONFIG_FILE}"