diff --git a/.scripts/run_docker_build.sh b/.scripts/run_docker_build.sh
index 87ba4db0..36dacd6e 100755
--- a/.scripts/run_docker_build.sh
+++ b/.scripts/run_docker_build.sh
@@ -45,8 +45,12 @@ fi
 if [ -z "${DOCKER_IMAGE}" ]; then
     SHYAML_INSTALLED="$(shyaml -h || echo NO)"
     if [ "${SHYAML_INSTALLED}" == "NO" ]; then
-        echo "WARNING: DOCKER_IMAGE variable not set and shyaml not installed. Falling back to condaforge/linux-anvil-comp7"
-        DOCKER_IMAGE="condaforge/linux-anvil-comp7"
+        echo "WARNING: DOCKER_IMAGE variable not set and shyaml not installed. Trying to parse with coreutils"
+        DOCKER_IMAGE=$(cat .ci_support/${CONFIG}.yaml | grep '^docker_image:$' -A 1 | tail -n 1 | cut -b 3-)
+        if [ "${DOCKER_IMAGE}" = "" ]; then
+            echo "No docker_image entry found in ${CONFIG}. Falling back to condaforge/linux-anvil-comp7"
+            DOCKER_IMAGE="condaforge/linux-anvil-comp7"
+        fi
     else
         DOCKER_IMAGE="$(cat "${FEEDSTOCK_ROOT}/.ci_support/${CONFIG}.yaml" | shyaml get-value docker_image.0 condaforge/linux-anvil-comp7 )"
     fi
@@ -64,8 +68,8 @@ fi
 
 export UPLOAD_PACKAGES="${UPLOAD_PACKAGES:-True}"
 docker run ${DOCKER_RUN_ARGS} \
-           -v "${RECIPE_ROOT}":/home/conda/recipe_root:rw,z \
-           -v "${FEEDSTOCK_ROOT}":/home/conda/feedstock_root:rw,z \
+           -v "${RECIPE_ROOT}":/home/conda/recipe_root:rw,z,delegated \
+           -v "${FEEDSTOCK_ROOT}":/home/conda/feedstock_root:rw,z,delegated \
            -e CONFIG \
            -e HOST_USER_ID \
            -e UPLOAD_PACKAGES \
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index d3f9c061..96555e41 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,5 +1,5 @@
 {% set version = "3.9.0" %}
-{% set build_num = 4 %}
+{% set build_num = 5 %}
 {% set version_major = version.split(".")[0] %}
 {% set blas_major = "2" %}
 
@@ -58,7 +58,7 @@ outputs:
         - libopenblas 0.3.12   # [blas_impl == 'openblas']
         # 3.9.0 is supported from mkl 2020.4
         - mkl 2020.4           # [blas_impl == 'mkl']
-        - blis 0.7.0           # [blas_impl == 'blis']
+        - blis 0.8.0           # [blas_impl == 'blis']
       run:
         - {{ pin_compatible("libopenblas", max_pin="x.x.x", exact=win) }}  # [blas_impl == 'openblas']
         - {{ pin_compatible("mkl", max_pin="x", exact=win) }}              # [blas_impl == 'mkl']
@@ -202,7 +202,7 @@ outputs:
         - {{ pin_subpackage("libcblas", exact=True) }}
         - {{ pin_subpackage("libblas", exact=True) }}
       {% else %}
-        - blis 0.7.0
+        - blis 0.8.0
       {% endif %}
       run:
         - {{ pin_subpackage("liblapack", exact=True) }}      # [blas_impl != 'blis']