diff --git a/server/db/schema.ts b/server/db/schema.ts
index 24c705a9..7355d0ca 100644
--- a/server/db/schema.ts
+++ b/server/db/schema.ts
@@ -31,7 +31,8 @@ export const sites = sqliteTable("sites", {
     address: text("address"), // this is the address of the wireguard interface in gerbil
     endpoint: text("endpoint"), // this is how to reach gerbil externally - gets put into the wireguard config
     publicKey: text("pubicKey"),
-    listenPort: integer("listenPort")
+    listenPort: integer("listenPort"),
+    lastHolePunch: integer("lastHolePunch"), 
 });
 
 export const resources = sqliteTable("resources", {
@@ -135,7 +136,9 @@ export const clients = sqliteTable("clients", {
     megabytesOut: integer("bytesOut"),
     lastBandwidthUpdate: text("lastBandwidthUpdate"),
     type: text("type").notNull(), // "olm"
-    online: integer("online", { mode: "boolean" }).notNull().default(false)
+    online: integer("online", { mode: "boolean" }).notNull().default(false),
+    endpoint: text("endpoint"),
+    lastHolePunch: integer("lastHolePunch"),
 });
 
 export const olms = sqliteTable("olms", {
diff --git a/server/routers/gerbil/updateHolePunch.ts b/server/routers/gerbil/updateHolePunch.ts
new file mode 100644
index 00000000..50648f13
--- /dev/null
+++ b/server/routers/gerbil/updateHolePunch.ts
@@ -0,0 +1,91 @@
+import { Request, Response, NextFunction } from "express";
+import { z } from "zod";
+import { clients, newts, olms, sites } from "@server/db/schema";
+import { db } from "@server/db";
+import { eq } from "drizzle-orm";
+import HttpCode from "@server/types/HttpCode";
+import createHttpError from "http-errors";
+import logger from "@server/logger";
+import { fromError } from "zod-validation-error";
+
+// Define Zod schema for request validation
+const updateHolePunchSchema = z.object({
+    olmId: z.string().optional(),
+    newtId: z.string().optional(),
+    ip: z.string(),
+    port: z.number(),
+    timestamp: z.number()
+});
+
+export async function updateHolePunch(
+    req: Request,
+    res: Response,
+    next: NextFunction
+): Promise<any> {
+    try {
+        // Validate request parameters
+        const parsedParams = updateHolePunchSchema.safeParse(req.body);
+        if (!parsedParams.success) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    fromError(parsedParams.error).toString()
+                )
+            );
+        }
+
+        const { olmId, newtId, ip, port, timestamp } = parsedParams.data;
+
+        if (olmId) {
+            const [olm] = await db
+                .select()
+                .from(olms)
+                .where(eq(olms.olmId, olmId));
+
+            if (!olm || !olm.clientId) {
+                logger.warn(`Olm not found: ${olmId}`);
+                return next(
+                    createHttpError(HttpCode.NOT_FOUND, "Olm not found")
+                );
+            }
+
+            await db
+                .update(clients)
+                .set({
+                    endpoint: `${ip}:${port}`,
+                    lastHolePunch: timestamp
+                })
+                .where(eq(clients.clientId, olm.clientId));
+        } else if (newtId) {
+            const [newt] = await db
+                .select()
+                .from(newts)
+                .where(eq(newts.newtId, newtId));
+
+            if (!newt || !newt.siteId) {
+                logger.warn(`Newt not found: ${newtId}`);
+                return next(
+                    createHttpError(HttpCode.NOT_FOUND, "New not found")
+                );
+            }
+
+            await db
+                .update(sites)
+                .set({
+                    endpoint: `${ip}:${port}`,
+                    lastHolePunch: timestamp
+                })
+                .where(eq(sites.siteId, newt.siteId));
+        }
+
+        return res.status(HttpCode.OK).send({});
+    } catch (error) {
+        logger.error(error);
+        return next(
+            createHttpError(
+                HttpCode.INTERNAL_SERVER_ERROR,
+                "An error occurred..."
+            )
+        );
+    }
+}