diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 697ebc26..8e1b6e52 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -7,7 +7,7 @@ on:
     branches: [main]
   schedule:
     # Weekly Monday 06:00 UTC, in case dependencies introduce new advisories.
-    - cron: '0 6 * * 1'
+    - cron: "0 6 * * 1"
 
 jobs:
   analyze:
diff --git a/.github/workflows/keyless-probe.yml b/.github/workflows/keyless-probe.yml
index 2964db68..a391b4ca 100644
--- a/.github/workflows/keyless-probe.yml
+++ b/.github/workflows/keyless-probe.yml
@@ -12,7 +12,7 @@ name: Keyless adapter probe
 
 on:
   schedule:
-    - cron: "0 6 * * 1"
+    - cron: '0 6 * * 1'
   workflow_dispatch:
   pull_request:
     paths:
diff --git a/.github/workflows/kg-discovery.yml b/.github/workflows/kg-discovery.yml
index bdae5c48..0ea81d19 100644
--- a/.github/workflows/kg-discovery.yml
+++ b/.github/workflows/kg-discovery.yml
@@ -12,7 +12,7 @@ name: Knowledge graph discovery cron
 
 on:
   schedule:
-    - cron: "0 */2 * * *"
+    - cron: '0 */2 * * *'
   workflow_dispatch:
     inputs:
       target_url:
diff --git a/.github/workflows/onboarding-reminders.yml b/.github/workflows/onboarding-reminders.yml
index 326da0b9..519c6427 100644
--- a/.github/workflows/onboarding-reminders.yml
+++ b/.github/workflows/onboarding-reminders.yml
@@ -13,7 +13,7 @@ name: Onboarding reminders cron
 
 on:
   schedule:
-    - cron: "0 * * * *"
+    - cron: '0 * * * *'
   workflow_dispatch:
     inputs:
       target_url:
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index a1a53071..36472210 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -2,7 +2,7 @@ name: Stale issues and PRs
 
 on:
   schedule:
-    - cron: "0 6 * * *"  # daily at 06:00 UTC
+    - cron: '0 6 * * *'  # daily at 06:00 UTC
   workflow_dispatch:
 
 permissions:
diff --git a/.github/workflows/trivy.yml b/.github/workflows/trivy.yml
index e8ab390c..8923f181 100644
--- a/.github/workflows/trivy.yml
+++ b/.github/workflows/trivy.yml
@@ -7,7 +7,7 @@ on:
     branches: [main]
   schedule:
     # Daily — new CVEs land in the Trivy DB constantly.
-    - cron: '0 5 * * *'
+    - cron: "0 5 * * *"
 
 jobs:
   filesystem:
diff --git a/.github/workflows/uptime.yml b/.github/workflows/uptime.yml
index fc219408..acf86e14 100644
--- a/.github/workflows/uptime.yml
+++ b/.github/workflows/uptime.yml
@@ -19,7 +19,7 @@ name: Uptime probe
 
 on:
   schedule:
-    - cron: "*/5 * * * *"
+    - cron: '*/5 * * * *'
   workflow_dispatch:
     inputs:
       simulate_failure: