diff --git a/.azure-pipelines/azure-pipelines-linux.yml b/.azure-pipelines/azure-pipelines-linux.yml
index abcbeb9..875d996 100755
--- a/.azure-pipelines/azure-pipelines-linux.yml
+++ b/.azure-pipelines/azure-pipelines-linux.yml
@@ -13,6 +13,7 @@ jobs:
         UPLOAD_PACKAGES: 'True'
         DOCKER_IMAGE: quay.io/condaforge/linux-anvil-cos7-x86_64
   timeoutInMinutes: 360
+  variables: {}
 
   steps:
   # configure qemu binfmt-misc running.  This allows us to run docker containers
diff --git a/.ci_support/linux_64_.yaml b/.ci_support/linux_64_.yaml
index 6c59082..3166d1d 100644
--- a/.ci_support/linux_64_.yaml
+++ b/.ci_support/linux_64_.yaml
@@ -1,3 +1,7 @@
+c_stdlib:
+- sysroot
+c_stdlib_version:
+- '2.12'
 cdt_name:
 - cos6
 channel_sources:
@@ -6,3 +10,6 @@ channel_targets:
 - conda-forge main
 docker_image:
 - quay.io/condaforge/linux-anvil-cos7-x86_64
+zip_keys:
+- - c_stdlib_version
+  - cdt_name
diff --git a/.scripts/build_steps.sh b/.scripts/build_steps.sh
index a4d638b..2f3df6c 100755
--- a/.scripts/build_steps.sh
+++ b/.scripts/build_steps.sh
@@ -65,7 +65,7 @@ if [[ "${BUILD_WITH_CONDA_DEBUG:-0}" == 1 ]]; then
     # Drop into an interactive shell
     /bin/bash
 else
-    conda build "${RECIPE_ROOT}" -m "${CI_SUPPORT}/${CONFIG}.yaml" \
+    conda-build "${RECIPE_ROOT}" -m "${CI_SUPPORT}/${CONFIG}.yaml" \
         --suppress-variables ${EXTRA_CB_OPTIONS:-} \
         --clobber-file "${CI_SUPPORT}/clobber_${CONFIG}.yaml" \
         --extra-meta flow_run_id="${flow_run_id:-}" remote_url="${remote_url:-}" sha="${sha:-}"
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 06ebc32..04d521f 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -10,7 +10,7 @@ source:
 
 build:
   noarch: python
-  number: 0
+  number: 1
   script: {{ PYTHON }} -c "import flit_core.buildapi; flit_core.buildapi.build_wheel('.')" && {{ PYTHON }} -m installer --no-compile-bytecode wheel-*.whl
   entry_points:
     - wheel = wheel.cli:main
@@ -18,10 +18,10 @@ build:
 requirements:
   host:
     - flit-core
-    - python >=3.7
+    - python >=3.8
     - python-installer
   run:
-    - python >=3.7
+    - python >=3.8
 
 test:
   imports: