diff --git a/tasks/update.json b/tasks/update.json
new file mode 100644
index 0000000..17be446
--- /dev/null
+++ b/tasks/update.json
@@ -0,0 +1,11 @@
+{
+  "puppet_task_version": 1,
+  "supports_noop": false,
+  "description": "Run `equo update` on target nodes to refresh repository definitions",
+  "parameters": {
+      "repo": {
+          "description": "Restrict update to only this named repository",
+          "type": "Optional[Pattern[/^[a-zA-Z0-9._-]+$/]]"
+      }
+  }
+}
diff --git a/tasks/update.sh b/tasks/update.sh
new file mode 100644
index 0000000..e3b7311
--- /dev/null
+++ b/tasks/update.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+if [ ! -z "${PT_repo}" ]; then
+    /usr/bin/equo update "${PT_repo}"
+else
+    /usr/bin/equo update
+fi