diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 5efaee7..98096de 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -17,7 +17,7 @@
         "reactflow": "^11.11.4",
         "remark-gfm": "^4.0.1",
         "tailwind-merge": "^2.5.4",
-        "zustand": "^4.5.5"
+        "zustand": "^5.0.14"
       },
       "devDependencies": {
         "@types/node": "^25.9.1",
@@ -820,6 +820,34 @@
         "react-dom": ">=17"
       }
     },
+    "node_modules/@reactflow/background/node_modules/zustand": {
+      "version": "4.5.7",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.7.tgz",
+      "integrity": "sha512-CHOUy7mu3lbD6o6LJLfllpjkzhHXSBlX8B9+qPddUsIfeF5S/UZ5q0kmCsnRqT1UHFQZchNFDDzMbQsuesHWlw==",
+      "license": "MIT",
+      "dependencies": {
+        "use-sync-external-store": "^1.2.2"
+      },
+      "engines": {
+        "node": ">=12.7.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=16.8",
+        "immer": ">=9.0.6",
+        "react": ">=16.8"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@reactflow/controls": {
       "version": "11.2.14",
       "resolved": "https://registry.npmjs.org/@reactflow/controls/-/controls-11.2.14.tgz",
@@ -835,6 +863,34 @@
         "react-dom": ">=17"
       }
     },
+    "node_modules/@reactflow/controls/node_modules/zustand": {
+      "version": "4.5.7",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.7.tgz",
+      "integrity": "sha512-CHOUy7mu3lbD6o6LJLfllpjkzhHXSBlX8B9+qPddUsIfeF5S/UZ5q0kmCsnRqT1UHFQZchNFDDzMbQsuesHWlw==",
+      "license": "MIT",
+      "dependencies": {
+        "use-sync-external-store": "^1.2.2"
+      },
+      "engines": {
+        "node": ">=12.7.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=16.8",
+        "immer": ">=9.0.6",
+        "react": ">=16.8"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@reactflow/core": {
       "version": "11.11.4",
       "resolved": "https://registry.npmjs.org/@reactflow/core/-/core-11.11.4.tgz",
@@ -856,6 +912,34 @@
         "react-dom": ">=17"
       }
     },
+    "node_modules/@reactflow/core/node_modules/zustand": {
+      "version": "4.5.7",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.7.tgz",
+      "integrity": "sha512-CHOUy7mu3lbD6o6LJLfllpjkzhHXSBlX8B9+qPddUsIfeF5S/UZ5q0kmCsnRqT1UHFQZchNFDDzMbQsuesHWlw==",
+      "license": "MIT",
+      "dependencies": {
+        "use-sync-external-store": "^1.2.2"
+      },
+      "engines": {
+        "node": ">=12.7.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=16.8",
+        "immer": ">=9.0.6",
+        "react": ">=16.8"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@reactflow/minimap": {
       "version": "11.7.14",
       "resolved": "https://registry.npmjs.org/@reactflow/minimap/-/minimap-11.7.14.tgz",
@@ -875,6 +959,34 @@
         "react-dom": ">=17"
       }
     },
+    "node_modules/@reactflow/minimap/node_modules/zustand": {
+      "version": "4.5.7",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.7.tgz",
+      "integrity": "sha512-CHOUy7mu3lbD6o6LJLfllpjkzhHXSBlX8B9+qPddUsIfeF5S/UZ5q0kmCsnRqT1UHFQZchNFDDzMbQsuesHWlw==",
+      "license": "MIT",
+      "dependencies": {
+        "use-sync-external-store": "^1.2.2"
+      },
+      "engines": {
+        "node": ">=12.7.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=16.8",
+        "immer": ">=9.0.6",
+        "react": ">=16.8"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@reactflow/node-resizer": {
       "version": "2.2.14",
       "resolved": "https://registry.npmjs.org/@reactflow/node-resizer/-/node-resizer-2.2.14.tgz",
@@ -892,6 +1004,34 @@
         "react-dom": ">=17"
       }
     },
+    "node_modules/@reactflow/node-resizer/node_modules/zustand": {
+      "version": "4.5.7",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.7.tgz",
+      "integrity": "sha512-CHOUy7mu3lbD6o6LJLfllpjkzhHXSBlX8B9+qPddUsIfeF5S/UZ5q0kmCsnRqT1UHFQZchNFDDzMbQsuesHWlw==",
+      "license": "MIT",
+      "dependencies": {
+        "use-sync-external-store": "^1.2.2"
+      },
+      "engines": {
+        "node": ">=12.7.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=16.8",
+        "immer": ">=9.0.6",
+        "react": ">=16.8"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@reactflow/node-toolbar": {
       "version": "1.3.14",
       "resolved": "https://registry.npmjs.org/@reactflow/node-toolbar/-/node-toolbar-1.3.14.tgz",
@@ -907,6 +1047,34 @@
         "react-dom": ">=17"
       }
     },
+    "node_modules/@reactflow/node-toolbar/node_modules/zustand": {
+      "version": "4.5.7",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.7.tgz",
+      "integrity": "sha512-CHOUy7mu3lbD6o6LJLfllpjkzhHXSBlX8B9+qPddUsIfeF5S/UZ5q0kmCsnRqT1UHFQZchNFDDzMbQsuesHWlw==",
+      "license": "MIT",
+      "dependencies": {
+        "use-sync-external-store": "^1.2.2"
+      },
+      "engines": {
+        "node": ">=12.7.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=16.8",
+        "immer": ">=9.0.6",
+        "react": ">=16.8"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@rolldown/pluginutils": {
       "version": "1.0.0-beta.27",
       "resolved": "https://registry.npmjs.org/@rolldown/pluginutils/-/pluginutils-1.0.0-beta.27.tgz",
@@ -4707,20 +4875,18 @@
       "license": "ISC"
     },
     "node_modules/zustand": {
-      "version": "4.5.7",
-      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.7.tgz",
-      "integrity": "sha512-CHOUy7mu3lbD6o6LJLfllpjkzhHXSBlX8B9+qPddUsIfeF5S/UZ5q0kmCsnRqT1UHFQZchNFDDzMbQsuesHWlw==",
+      "version": "5.0.14",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-5.0.14.tgz",
+      "integrity": "sha512-/8tAspM5LMPr28b3fwLYrtdj77ECpfZviaP75CMTnwO8ISyaE4GDIG/9rDDYq/cH9D2Xw2A2RXglLInmVBQB/g==",
       "license": "MIT",
-      "dependencies": {
-        "use-sync-external-store": "^1.2.2"
-      },
       "engines": {
-        "node": ">=12.7.0"
+        "node": ">=12.20.0"
       },
       "peerDependencies": {
-        "@types/react": ">=16.8",
+        "@types/react": ">=18.0.0",
         "immer": ">=9.0.6",
-        "react": ">=16.8"
+        "react": ">=18.0.0",
+        "use-sync-external-store": ">=1.2.0"
       },
       "peerDependenciesMeta": {
         "@types/react": {
@@ -4731,6 +4897,9 @@
         },
         "react": {
           "optional": true
+        },
+        "use-sync-external-store": {
+          "optional": true
         }
       }
     },
diff --git a/frontend/package.json b/frontend/package.json
index 03aea8a..db048cd 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -19,7 +19,7 @@
     "reactflow": "^11.11.4",
     "remark-gfm": "^4.0.1",
     "tailwind-merge": "^2.5.4",
-    "zustand": "^4.5.5"
+    "zustand": "^5.0.14"
   },
   "devDependencies": {
     "@types/node": "^25.9.1",