diff --git a/backend/docker/docker-compose-full.yml b/backend/docker/docker-compose-full.yml
index 9648ebc5..027c0ac1 100644
--- a/backend/docker/docker-compose-full.yml
+++ b/backend/docker/docker-compose-full.yml
@@ -38,7 +38,7 @@ services:
             - "yorkie:yorkie"
 
     yorkie:
-        image: "yorkieteam/yorkie:0.5.5"
+        image: "yorkieteam/yorkie:0.5.6"
         command: ["server", "--enable-pprof"]
         restart: always
         ports:
diff --git a/backend/docker/docker-compose.yml b/backend/docker/docker-compose.yml
index 25ffa673..8ab031f2 100644
--- a/backend/docker/docker-compose.yml
+++ b/backend/docker/docker-compose.yml
@@ -2,7 +2,7 @@ version: "3.8"
 
 services:
     yorkie:
-        image: "yorkieteam/yorkie:0.5.5"
+        image: "yorkieteam/yorkie:0.5.6"
         command: ["server", "--enable-pprof"]
         restart: always
         ports:
diff --git a/frontend/package.json b/frontend/package.json
index ed14d8e3..bc56b12a 100755
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -82,7 +82,7 @@
 		"refractor": "^4.8.1",
 		"validator": "^13.12.0",
 		"vite-plugin-package-version": "^1.1.0",
-		"yorkie-js-sdk": "0.5.5"
+		"yorkie-js-sdk": "0.5.6"
 	},
 	"devDependencies": {
 		"@sentry/vite-plugin": "^2.20.1",
diff --git a/frontend/src/hooks/useYorkieDocument.ts b/frontend/src/hooks/useYorkieDocument.ts
index 8f67a6a6..f467e0de 100644
--- a/frontend/src/hooks/useYorkieDocument.ts
+++ b/frontend/src/hooks/useYorkieDocument.ts
@@ -80,8 +80,7 @@ export const useYorkieDocument = (
 		if (!client || !doc) return;
 
 		try {
-			await client.detach(doc);
-			await client.deactivate();
+			await client.deactivate({ keepalive: true });
 		} catch (error) {
 			console.error("Error during Yorkie cleanup:", error);
 		}
@@ -102,8 +101,7 @@ export const useYorkieDocument = (
 
 				// Clean up if the component is unmounted before the initialization is done
 				if (!mounted) {
-					await newClient.detach(newDoc);
-					await newClient.deactivate();
+					await newClient.deactivate({ keepalive: true });
 					return;
 				}
 
@@ -137,5 +135,17 @@ export const useYorkieDocument = (
 		};
 	}, [cleanUpYorkieDocument]);
 
+	useEffect(() => {
+		const handleBeforeUnload = () => {
+			cleanUpYorkieDocument();
+		};
+
+		window.addEventListener("beforeunload", handleBeforeUnload);
+
+		return () => {
+			window.removeEventListener("beforeunload", handleBeforeUnload);
+		};
+	}, [cleanUpYorkieDocument]);
+
 	return { client, doc };
 };
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 3a08d0a9..e0a58ecc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -349,8 +349,8 @@ importers:
         specifier: ^1.1.0
         version: 1.1.0(vite@5.4.7(@types/node@20.16.6)(terser@5.33.0))
       yorkie-js-sdk:
-        specifier: 0.5.5
-        version: 0.5.5
+        specifier: 0.5.6
+        version: 0.5.6
     devDependencies:
       '@sentry/vite-plugin':
         specifier: ^2.20.1
@@ -7258,8 +7258,8 @@ packages:
     resolution: {integrity: sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==}
     engines: {node: '>=10'}
 
-  yorkie-js-sdk@0.5.5:
-    resolution: {integrity: sha512-Y+3B4JGPMPSoGndZvQwf2N8w959kMcH6b2ej5H7HtzgJIUPx+qO/fMuXCeylvlh+OotIBqhawzQeueQ82+r8fw==}
+  yorkie-js-sdk@0.5.6:
+    resolution: {integrity: sha512-McWQLt8/XCUUdPxNxHBkfg5qh2Y5bAbB3mAHx05+DAEbMrYwB9n7f3xtFMbBcN2AEdPUDuk08MvD7qwG3DFx7w==}
     engines: {node: '>=18.0.0', npm: '>=7.1.0'}
 
   zod-to-json-schema@3.23.3:
@@ -15059,7 +15059,7 @@ snapshots:
 
   yocto-queue@0.1.0: {}
 
-  yorkie-js-sdk@0.5.5:
+  yorkie-js-sdk@0.5.6:
     dependencies:
       '@bufbuild/protobuf': 1.10.0
       '@connectrpc/connect': 1.5.0(@bufbuild/protobuf@1.10.0)