diff --git a/.github/workflows/check-go-task.yml b/.github/workflows/check-go-task.yml
index 9c946dcc6..02615f3e1 100644
--- a/.github/workflows/check-go-task.yml
+++ b/.github/workflows/check-go-task.yml
@@ -22,6 +22,9 @@ on:
       - "**/go.mod"
       - "**/go.sum"
       - "**.go"
+  schedule:
+    # Run periodically to catch breakage caused by external changes.
+    - cron: "0 7 * * WED"
   workflow_dispatch:
   repository_dispatch:
 
diff --git a/.github/workflows/check-license.yml b/.github/workflows/check-license.yml
index ea2068256..a364c7380 100644
--- a/.github/workflows/check-license.yml
+++ b/.github/workflows/check-license.yml
@@ -26,6 +26,9 @@ on:
       - "[lL][iI][cC][eE][nN][cCsS][eE]*"
       - "[oO][fF][lL]*"
       - "[pP][aA][tT][eE][nN][tT][sS]*"
+  schedule:
+    # Run periodically to catch breakage caused by external changes.
+    - cron: "0 6 * * WED"
   workflow_dispatch:
   repository_dispatch:
 
diff --git a/.github/workflows/check-mkdocs-task.yml b/.github/workflows/check-mkdocs-task.yml
index 6be610bdd..2cd3cc02f 100644
--- a/.github/workflows/check-mkdocs-task.yml
+++ b/.github/workflows/check-mkdocs-task.yml
@@ -32,6 +32,9 @@ on:
       - "docsgen/**"
       - "ruledocsgen/**"
       - "**.go"
+  schedule:
+    # Run periodically to catch breakage caused by external changes.
+    - cron: "0 5 * * WED"
   workflow_dispatch:
   repository_dispatch:
 
diff --git a/.github/workflows/check-prettier-formatting-task.yml b/.github/workflows/check-prettier-formatting-task.yml
index 933ef9b5e..662ff5ae3 100644
--- a/.github/workflows/check-prettier-formatting-task.yml
+++ b/.github/workflows/check-prettier-formatting-task.yml
@@ -196,6 +196,9 @@ on:
       - "**.rviz"
       - "**.sublime-syntax"
       - "**.syntax"
+  schedule:
+    # Run periodically to catch breakage caused by external changes.
+    - cron: "0 4 * * WED"
   workflow_dispatch:
   repository_dispatch:
 
diff --git a/.github/workflows/check-python-task.yml b/.github/workflows/check-python-task.yml
index 47ae0de4d..1dc0313e8 100644
--- a/.github/workflows/check-python-task.yml
+++ b/.github/workflows/check-python-task.yml
@@ -28,6 +28,9 @@ on:
       - "Taskfile.ya?ml"
       - "**/tox.ini"
       - "**.py"
+  schedule:
+    # Run periodically to catch breakage caused by external changes.
+    - cron: "0 8 * * WED"
   workflow_dispatch:
   repository_dispatch:
 
diff --git a/.github/workflows/test-go-integration-task.yml b/.github/workflows/test-go-integration-task.yml
index 35a000fc2..7f86a8deb 100644
--- a/.github/workflows/test-go-integration-task.yml
+++ b/.github/workflows/test-go-integration-task.yml
@@ -30,6 +30,9 @@ on:
       - "poetry.lock"
       - "pyproject.toml"
       - "tests/**"
+  schedule:
+    # Run periodically to catch breakage caused by external changes.
+    - cron: "0 10 * * WED"
   workflow_dispatch:
   repository_dispatch:
 
diff --git a/.github/workflows/test-go-task.yml b/.github/workflows/test-go-task.yml
index 773670f91..2b14512be 100644
--- a/.github/workflows/test-go-task.yml
+++ b/.github/workflows/test-go-task.yml
@@ -26,6 +26,9 @@ on:
       - "Taskfile.ya?ml"
       - "**.go"
       - "**/testdata/**"
+  schedule:
+    # Run periodically to catch breakage caused by external changes.
+    - cron: "0 11 * * WED"
   workflow_dispatch:
   repository_dispatch: