diff --git a/package.json b/package.json
index aee811a..b778fad 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "start": "nodemon --max-old-space-size=512 app.js"
   },
   "dependencies": {
-    "@tensorflow/tfjs-node": "^2.7.0",
+    "@tensorflow/tfjs-node": "^2.8.6",
     "body-parser": "^1.19.0",
     "cors": "^2.8.5",
     "express": "^4.17.1",
diff --git a/yarn.lock b/yarn.lock
index 911f84f..a573274 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14,35 +14,35 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
-"@tensorflow/tfjs-backend-cpu@2.7.0":
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-2.7.0.tgz#f3a6c631279b0aab36c570e84343a014bc68da47"
-  integrity sha512-R6ORcWq3ub81ABvBZEZ8Ok5OOT59B4AsRe66ds7B/NK0nN+k6y37bR3ZDVjgkEKNWNvzB7ydODikge3GNmgQIQ==
+"@tensorflow/tfjs-backend-cpu@2.8.6":
+  version "2.8.6"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-2.8.6.tgz#ef60c3294a04c8c600abb4b438263c06d9b7b7bd"
+  integrity sha512-x9WTTE9p3Pon2D0d6HH1UCIJsU1w3v9sF3vxJcp+YStrjDefWoW5pwxHCckEKTRra7GWg3CwMKK3Si2dat4H1A==
   dependencies:
     "@types/seedrandom" "2.4.27"
     seedrandom "2.4.3"
 
-"@tensorflow/tfjs-backend-webgl@2.7.0":
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-webgl/-/tfjs-backend-webgl-2.7.0.tgz#e9899fd761fa38ab9914b1910e0bf38f5104a0c4"
-  integrity sha512-K7Rk5YTSWOZ969EZvh3w786daPn2ub4mA2JsX7mXKhBPUaOP9dKbBdLj9buCuMcu4zVq2pAp0QwpHSa4PHm3xg==
+"@tensorflow/tfjs-backend-webgl@2.8.6":
+  version "2.8.6"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-webgl/-/tfjs-backend-webgl-2.8.6.tgz#b88b4276a2ff4e23b05470c506b5c720bf6eb8c3"
+  integrity sha512-kPgm3Dim0Li5MleybYKSZVUCu91ipDjZtTA5RrJx/Dli115qwWdiRGOHYwsIEY61hZoE0m3amjWLUBxtwMW1Nw==
   dependencies:
-    "@tensorflow/tfjs-backend-cpu" "2.7.0"
+    "@tensorflow/tfjs-backend-cpu" "2.8.6"
     "@types/offscreencanvas" "~2019.3.0"
     "@types/seedrandom" "2.4.27"
     "@types/webgl-ext" "0.0.30"
     "@types/webgl2" "0.0.5"
     seedrandom "2.4.3"
 
-"@tensorflow/tfjs-converter@2.7.0":
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-converter/-/tfjs-converter-2.7.0.tgz#24acdd8964b264ba4839f7a3466f8bacafb98c13"
-  integrity sha512-SBpKYn/MkN8US7DeTcnvqHpvp/WKcwzpdgkQF+eHMHEbS1lXSlt4BHhOFgRdLPzy1gEC9+6P0VdTE8NQ737t/Q==
+"@tensorflow/tfjs-converter@2.8.6":
+  version "2.8.6"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-converter/-/tfjs-converter-2.8.6.tgz#6182d302ae883e0c45f47674a78bdd33e23db3a6"
+  integrity sha512-Uv4YC66qjVC9UwBxz0IeLZ8KS2CReh63WlGRtHcSwDEYiwsa7cvp9H6lFSSPT7kiJmrK6JtHeJGIVcTuNnSt9w==
 
-"@tensorflow/tfjs-core@2.7.0":
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-core/-/tfjs-core-2.7.0.tgz#3bc24d360c388dbd87601b7823a4d7a1b67f324b"
-  integrity sha512-4w5zjK6C5nkLatHpzARVQNd5QKtIocJRwjZIwWcScT9z2z1dX4rVmDoUpYg1cdD4H+yRRdI0awRaI3SL34yy8Q==
+"@tensorflow/tfjs-core@2.8.6":
+  version "2.8.6"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-core/-/tfjs-core-2.8.6.tgz#d5e9d5fc1d1a83e3fbf80942f3154300a9f82494"
+  integrity sha512-jS28M1POUOjnWgx3jp1v5D45DUQE8USsAHHkL/01z75KnYCAAmgqJSH4YKLiYACg3eBLWXH/KTcSc6dHAX7Kfg==
   dependencies:
     "@types/offscreencanvas" "~2019.3.0"
     "@types/seedrandom" "2.4.27"
@@ -50,26 +50,26 @@
     node-fetch "~2.6.1"
     seedrandom "2.4.3"
 
-"@tensorflow/tfjs-data@2.7.0":
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-data/-/tfjs-data-2.7.0.tgz#bb2c3d3a7366e7beeabe4ba3e72dec4423b53d25"
-  integrity sha512-gsVklCwqqlxhykI7U2Uy5c2hjommQCAi+3y2/LER4TNtzQTzWaGKyIXvuLuL0tE896yuzXILIMZhkUjDmUiGxA==
+"@tensorflow/tfjs-data@2.8.6":
+  version "2.8.6"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-data/-/tfjs-data-2.8.6.tgz#5888ad0f7b7f8db2b7a5cf4af38e3c04d65efe32"
+  integrity sha512-zoDUfd5TfkYdviqu2bObwyJGXJiOvBckOTP9j36PUs6s+4DbTIDttyxdfeEaiiLX9ZUFU58CoW+3LI/dlFVyoQ==
   dependencies:
     "@types/node-fetch" "^2.1.2"
     node-fetch "~2.6.1"
 
-"@tensorflow/tfjs-layers@2.7.0":
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-layers/-/tfjs-layers-2.7.0.tgz#f67cd773165fed588b8119f899873a88bab62121"
-  integrity sha512-78zsD2LLrHQuDYv0EeV83LiF0M69lKsBfuTB3FIBgS85gapZPyHh4wooKda2Y4H9EtLogU+C6bArZuDo8PaX+g==
+"@tensorflow/tfjs-layers@2.8.6":
+  version "2.8.6"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-layers/-/tfjs-layers-2.8.6.tgz#51dec5422fddde289e7915f318676fedeeb6a226"
+  integrity sha512-fdZ0i/R2dIKmy8OB5tBAsm5IbAHfJpI6AlbjxpgoU3aWj1HCdDo+pMji928MkDJhP01ISgFTgw/7PseGNaUflw==
 
-"@tensorflow/tfjs-node@^2.7.0":
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-node/-/tfjs-node-2.7.0.tgz#8957e60a843a24b7841ea8c7aedf06204e36448d"
-  integrity sha512-0cWplm7AE40gi2llqoAp+lD/0X3dVJ8kb7Arrqb5lMhShRWUFZpULH+F0fJI6Yax4LBTzBi2SZKGL/O8krZsxg==
+"@tensorflow/tfjs-node@^2.8.6":
+  version "2.8.6"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-node/-/tfjs-node-2.8.6.tgz#6cc442f953f5d6598885c31b585bbf9afb59dfdf"
+  integrity sha512-lq7fielTU42K8hyzvbmLTKzp4WqIAdgpWdbUPoHpXDCqTgWGb1UfMaDt/oxBkA7i9DFvyN3cem/tdeQRC95pLA==
   dependencies:
-    "@tensorflow/tfjs" "2.7.0"
-    "@tensorflow/tfjs-core" "2.7.0"
+    "@tensorflow/tfjs" "2.8.6"
+    "@tensorflow/tfjs-core" "2.8.6"
     adm-zip "^0.4.11"
     google-protobuf "^3.9.2"
     https-proxy-agent "^2.2.1"
@@ -78,17 +78,17 @@
     rimraf "^2.6.2"
     tar "^4.4.6"
 
-"@tensorflow/tfjs@2.7.0":
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs/-/tfjs-2.7.0.tgz#14a7d63d416221a6f4b77af2f19cfe38e0e47828"
-  integrity sha512-LTYK6+emFweYa3zn/o511JUR6s14/yGZpoXvFSUtdwolYHI+J50r/CyYeFpvtoTD7uwcNFQhbBAtp4L4e3Hsaw==
-  dependencies:
-    "@tensorflow/tfjs-backend-cpu" "2.7.0"
-    "@tensorflow/tfjs-backend-webgl" "2.7.0"
-    "@tensorflow/tfjs-converter" "2.7.0"
-    "@tensorflow/tfjs-core" "2.7.0"
-    "@tensorflow/tfjs-data" "2.7.0"
-    "@tensorflow/tfjs-layers" "2.7.0"
+"@tensorflow/tfjs@2.8.6":
+  version "2.8.6"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs/-/tfjs-2.8.6.tgz#5115081e7424c33905af9565c0d190e1b4093a5b"
+  integrity sha512-/Hk3YCAreNicuQJsAIG32UGHaQj8UwX8y8ZrKVb/CrXOhrRyZmxGSZt9KMVe8MDoydenuGhZCqJUIaWdIKIA5g==
+  dependencies:
+    "@tensorflow/tfjs-backend-cpu" "2.8.6"
+    "@tensorflow/tfjs-backend-webgl" "2.8.6"
+    "@tensorflow/tfjs-converter" "2.8.6"
+    "@tensorflow/tfjs-core" "2.8.6"
+    "@tensorflow/tfjs-data" "2.8.6"
+    "@tensorflow/tfjs-layers" "2.8.6"
     argparse "^1.0.10"
     chalk "^4.1.0"
     core-js "3"