diff --git a/backend/src/plugins/Automod/actions/availableActions.ts b/backend/src/plugins/Automod/actions/availableActions.ts
index 76b2a60e..24ebfb7c 100644
--- a/backend/src/plugins/Automod/actions/availableActions.ts
+++ b/backend/src/plugins/Automod/actions/availableActions.ts
@@ -15,6 +15,7 @@ import { ReplyAction } from "./reply";
 import { SetAntiraidLevelAction } from "./setAntiraidLevel";
 import { SetCounterAction } from "./setCounter";
 import { SetSlowmodeAction } from "./setSlowmode";
+import { UnArchiveThreadAction } from "./unArchiveThread";
 import { WarnAction } from "./warn";
 
 export const availableActions: Record<string, AutomodActionBlueprint<any>> = {
@@ -34,6 +35,7 @@ export const availableActions: Record<string, AutomodActionBlueprint<any>> = {
   set_counter: SetCounterAction,
   set_slowmode: SetSlowmodeAction,
   archive_thread: ArchiveThreadAction,
+  unarchive_thread: UnArchiveThreadAction,
 };
 
 export const AvailableActions = t.type({
@@ -53,4 +55,5 @@ export const AvailableActions = t.type({
   set_counter: SetCounterAction.configType,
   set_slowmode: SetSlowmodeAction.configType,
   archive_thread: ArchiveThreadAction.configType,
+  unarchive_thread: UnArchiveThreadAction.configType,
 });
diff --git a/backend/src/plugins/Automod/actions/unArchiveThread.ts b/backend/src/plugins/Automod/actions/unArchiveThread.ts
new file mode 100644
index 00000000..cdd17d74
--- /dev/null
+++ b/backend/src/plugins/Automod/actions/unArchiveThread.ts
@@ -0,0 +1,27 @@
+import { ThreadChannel } from "discord.js";
+import * as t from "io-ts";
+import { noop, tNullable } from "../../../utils";
+import { automodAction } from "../helpers";
+
+export const UnArchiveThreadAction = automodAction({
+  configType: t.type({
+    unlock: tNullable(t.boolean),
+  }),
+  defaultConfig: {
+    unlock: false,
+  },
+
+  async apply({ pluginData, contexts, actionConfig }) {
+    const threads = contexts
+      .filter((c) => c.message?.channel_id)
+      .map((c) => pluginData.guild.channels.cache.get(c.message!.channel_id))
+      .filter((c): c is ThreadChannel => (c?.isThread() && c.archived) ?? false);
+
+    for (const thread of threads) {
+      if (actionConfig.unlock) {
+        await thread.setLocked(false).catch(noop);
+      }
+      await thread.setArchived(false).catch(noop);
+    }
+  },
+});