diff --git a/tasks/InstallSheriffCLI/InstallSheriffCLIV0/task.json b/tasks/InstallSheriffCLI/InstallSheriffCLIV0/task.json
index 84d9798..1e02ea8 100644
--- a/tasks/InstallSheriffCLI/InstallSheriffCLIV0/task.json
+++ b/tasks/InstallSheriffCLI/InstallSheriffCLIV0/task.json
@@ -28,5 +28,7 @@
     "Major": 0,
     "Minor": 0,
     "Patch": 0
-  }
+  },
+  "deprecated": true,
+  "deprecationMessage": "Please install the https://marketplace.visualstudio.com/items?itemName=frontierhq.Sheriff extension to continue using this task."
 }
diff --git a/tasks/SheriffApply/SheriffApplyV0/task.json b/tasks/SheriffApply/SheriffApplyV0/task.json
index f1cb06c..4e078b0 100644
--- a/tasks/SheriffApply/SheriffApplyV0/task.json
+++ b/tasks/SheriffApply/SheriffApplyV0/task.json
@@ -59,5 +59,7 @@
     "Major": 0,
     "Minor": 0,
     "Patch": 0
-  }
+  },
+  "deprecated": true,
+  "deprecationMessage": "Please install the https://marketplace.visualstudio.com/items?itemName=frontierhq.Sheriff extension to continue using this task."
 }
diff --git a/tasks/SheriffPlan/SheriffPlanV0/task.json b/tasks/SheriffPlan/SheriffPlanV0/task.json
index 52a571e..c11d7a6 100644
--- a/tasks/SheriffPlan/SheriffPlanV0/task.json
+++ b/tasks/SheriffPlan/SheriffPlanV0/task.json
@@ -51,5 +51,7 @@
     "Major": 0,
     "Minor": 0,
     "Patch": 0
-  }
+  },
+  "deprecated": true,
+  "deprecationMessage": "Please install the https://marketplace.visualstudio.com/items?itemName=frontierhq.Sheriff extension to continue using this task."
 }