diff --git a/.github/workflows/install.yml b/.github/workflows/install.yml
index a27d383..948d001 100644
--- a/.github/workflows/install.yml
+++ b/.github/workflows/install.yml
@@ -29,8 +29,9 @@ on:
       version:
         description: "Version to verify (default: the newest published)"
         required: false
-  schedule:
-    - cron: "47 7 * * 1" # Mondays
+  # Scheduled runs are disabled. Uncomment the block below to restore them.
+  # schedule:
+  #   - cron: "47 7 * * 1" # Mondays
 
 permissions:
   contents: read
diff --git a/.github/workflows/pins.yml b/.github/workflows/pins.yml
index a937318..574b517 100644
--- a/.github/workflows/pins.yml
+++ b/.github/workflows/pins.yml
@@ -1,11 +1,15 @@
-# Scheduled pin watch: reports when cuda-oxide or reconverge
+# Pin watch: reports when cuda-oxide or reconverge
 # move upstream by opening an issue. It NEVER bumps a pin — a bump is a human
 # decision, its own commit, and a gate re-run (CONTRIBUTING.md).
+#
+# Dispatch-only: the weekly schedule is commented out in `on:` below, so an
+# upstream move is noticed when somebody runs this, not when it happens.
 name: pins
 
 on:
-  schedule:
-    - cron: "17 6 * * 1" # weekly, Monday morning UTC
+  # Scheduled runs are disabled. Uncomment the block below to restore them.
+  # schedule:
+  #   - cron: "17 6 * * 1" # weekly, Monday morning UTC
   workflow_dispatch:
 
 permissions:
diff --git a/.github/workflows/stress.yml b/.github/workflows/stress.yml
index bf47395..ffdc559 100644
--- a/.github/workflows/stress.yml
+++ b/.github/workflows/stress.yml
@@ -32,8 +32,9 @@ on:
         description: Suite iterations per OS, split across the shards
         required: false
         default: "100"
-  schedule:
-    - cron: "29 6 * * 1" # Mondays
+  # Scheduled runs are disabled. Uncomment the block below to restore them.
+  # schedule:
+  #   - cron: "29 6 * * 1" # Mondays
 
 permissions:
   contents: read
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 7acbb66..faae07e 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -158,8 +158,9 @@ Three pins move together or not at all: the nightly in
 `reconverge` is a rustc-driver tool — it must be built by the exact rustc it
 wraps — and `cuda-oxide` requires the same pin. A bump is its own commit,
 never mixed with a behaviour change, and re-runs the affected stage gates.
-The scheduled `pins.yml` workflow reports upstream movement by opening an
-issue; it never bumps anything. Current pins: nightly-2026-04-03,
+The `pins.yml` workflow reports upstream movement by opening an issue; it
+never bumps anything. Its weekly cron is commented out, so upstream movement
+is noticed when you dispatch it. Current pins: nightly-2026-04-03,
 cuda-oxide 50d07314, reconverge 0.1.11 (installed from crates.io).
 
 ## 10. License