diff --git a/.github/workflows/deployment_test.yaml b/.github/workflows/deployment_test.yaml
index 8f2a91e89..c3e7f8d66 100644
--- a/.github/workflows/deployment_test.yaml
+++ b/.github/workflows/deployment_test.yaml
@@ -16,6 +16,12 @@ on: # yamllint disable-line rule:truthy
 env:
   IMAGE_NAME: opendatacube/explorer
 
+# When a PR is updated, cancel the jobs from the previous version. Merges
+# do not define head_ref, so use run_id to never cancel those jobs.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   deployment-image-test:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/doc.yaml b/.github/workflows/doc.yaml
index fb8900547..3b339fbc6 100644
--- a/.github/workflows/doc.yaml
+++ b/.github/workflows/doc.yaml
@@ -9,6 +9,12 @@ on:
 permissions:
   pull-requests: write
 
+# When a PR is updated, cancel the jobs from the previous version. Merges
+# do not define head_ref, so use run_id to never cancel those jobs.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   documentation-preview:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 13ac35eab..dd0e18069 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -17,6 +17,12 @@ on:
 env:
   IMAGE_NAME: opendatacube/explorer
 
+# When a PR is updated, cancel the jobs from the previous version. Merges
+# do not define head_ref, so use run_id to never cancel those jobs.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   docker:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/scan.yml b/.github/workflows/scan.yml
index 3381fae59..049966a09 100644
--- a/.github/workflows/scan.yml
+++ b/.github/workflows/scan.yml
@@ -7,6 +7,12 @@ on:
 env:
   IMAGE_NAME: opendatacube/explorer
 
+# When a PR is updated, cancel the jobs from the previous version. Merges
+# do not define head_ref, so use run_id to never cancel those jobs.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   cve-scanner:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f68f5bc3e..4c4e4fb4c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,6 +16,12 @@ on:
 env:
   IMAGE_NAME: opendatacube/explorer
 
+# When a PR is updated, cancel the jobs from the previous version. Merges
+# do not define head_ref, so use run_id to never cancel those jobs.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   integration-tests:
     runs-on: ubuntu-latest