diff --git a/package.json b/package.json
index d1b75a53..4c805f2a 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
     "ts-node": "10.9.1"
   },
   "dependencies": {
-    "koa": "2.16.2",
+    "koa": "2.16.3",
     "koa-body": "6.0.1",
     "koa-mount": "4.0.0",
     "koa-router": "12.0.0",
diff --git a/packages/oats-koa-adapter/package.json b/packages/oats-koa-adapter/package.json
index bb1b4f37..45c5128c 100644
--- a/packages/oats-koa-adapter/package.json
+++ b/packages/oats-koa-adapter/package.json
@@ -42,7 +42,7 @@
     "@types/koa-router": "7.4.4",
     "@types/lodash": "4.14.195",
     "@types/node": "18.16.18",
-    "koa": "2.16.2",
+    "koa": "2.16.3",
     "koa-body": "6.0.1",
     "koa-router": "12.0.0",
     "ts-node": "10.9.1",
diff --git a/packages/oats/package.json b/packages/oats/package.json
index e1045230..61f0e3f8 100644
--- a/packages/oats/package.json
+++ b/packages/oats/package.json
@@ -55,7 +55,7 @@
     "form-data": "4.0.4",
     "jest": "29.5.0",
     "jsverify": "0.8.4",
-    "koa": "2.16.2",
+    "koa": "2.16.3",
     "koa-body": "6.0.1",
     "koa-mount": "4.0.0",
     "koa-router": "12.0.0",