diff --git a/.github/workflows/ci-nix.yaml b/.github/workflows/ci-nix.yaml
index c37ab773663..6c1f93beeb3 100644
--- a/.github/workflows/ci-nix.yaml
+++ b/.github/workflows/ci-nix.yaml
@@ -4,8 +4,9 @@ name: "CI"
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
-
 on:
+  # We're using merge-chains; so this needs to run then.
+  merge_group:
   push:
     branches:
     - master
diff --git a/.github/workflows/formatting.yaml b/.github/workflows/formatting.yaml
index 6110620cf73..9f4ecd6d28d 100644
--- a/.github/workflows/formatting.yaml
+++ b/.github/workflows/formatting.yaml
@@ -1,6 +1,8 @@
 name: Check code formatting
 
 on:
+  # We're using merge-chains; so this needs to run then.
+  merge_group:
   pull_request:
 
 jobs:
diff --git a/.github/workflows/network-test.yaml b/.github/workflows/network-test.yaml
index e058674adce..8dfc617c270 100644
--- a/.github/workflows/network-test.yaml
+++ b/.github/workflows/network-test.yaml
@@ -1,6 +1,8 @@
 name: "Network fault tolerance"
 
 on:
+  # We're using merge-chains; so this needs to run then.
+  merge_group:
   push:
     branches:
     - master