diff --git a/.github/workflows/master_merge.yml b/.github/workflows/master_merge.yml
index af3ac68..9d581c6 100644
--- a/.github/workflows/master_merge.yml
+++ b/.github/workflows/master_merge.yml
@@ -4,6 +4,9 @@ on:
   push:
     branches: master
 
+env:
+  DOCKER_BUILDKIT: 1
+
 jobs:
   build-ckan-2-9:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/pr_checks.yml b/.github/workflows/pr_checks.yml
index 092597c..61b165e 100644
--- a/.github/workflows/pr_checks.yml
+++ b/.github/workflows/pr_checks.yml
@@ -4,6 +4,9 @@ on:
   pull_request:
     branches: master
 
+env:
+  DOCKER_BUILDKIT: 1
+
 jobs:
   build-ckan-2-9:
     runs-on: ubuntu-latest