diff --git a/packages/core/package.json b/packages/core/package.json
index a37325d88..20e4946fc 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -45,7 +45,7 @@
     "lodash.uniqby": "^4.7.0",
     "lodash.uniqwith": "^4.5.0",
     "micromatch": "^4.0.5",
-    "openapi3-ts": "4.2.2",
+    "openapi3-ts": "4.3.3",
     "swagger2openapi": "^7.0.8"
   }
 }
diff --git a/packages/mock/package.json b/packages/mock/package.json
index 69a6ce43f..68bfaec54 100644
--- a/packages/mock/package.json
+++ b/packages/mock/package.json
@@ -16,6 +16,6 @@
     "@orval/core": "7.0.0",
     "lodash.get": "^4.4.2",
     "lodash.omit": "^4.5.0",
-    "openapi3-ts": "^4.2.2"
+    "openapi3-ts": "^4.3.3"
   }
 }
diff --git a/packages/orval/package.json b/packages/orval/package.json
index dd9624e08..19e271a61 100644
--- a/packages/orval/package.json
+++ b/packages/orval/package.json
@@ -73,7 +73,7 @@
     "find-up": "5.0.0",
     "fs-extra": "^11.2.0",
     "lodash.uniq": "^4.5.0",
-    "openapi3-ts": "4.2.2",
+    "openapi3-ts": "4.3.3",
     "string-argv": "^0.3.2",
     "tsconfck": "^2.0.1"
   }
diff --git a/yarn.lock b/yarn.lock
index 1b10d7648..0024f1465 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -929,7 +929,7 @@ __metadata:
     lodash.uniqby: "npm:^4.7.0"
     lodash.uniqwith: "npm:^4.5.0"
     micromatch: "npm:^4.0.5"
-    openapi3-ts: "npm:4.2.2"
+    openapi3-ts: "npm:4.3.3"
     swagger2openapi: "npm:^7.0.8"
   languageName: unknown
   linkType: soft
@@ -960,7 +960,7 @@ __metadata:
     "@orval/core": "npm:7.0.0"
     lodash.get: "npm:^4.4.2"
     lodash.omit: "npm:^4.5.0"
-    openapi3-ts: "npm:^4.2.2"
+    openapi3-ts: "npm:^4.3.3"
   languageName: unknown
   linkType: soft
 
@@ -6708,12 +6708,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"openapi3-ts@npm:4.2.2, openapi3-ts@npm:^4.2.2":
-  version: 4.2.2
-  resolution: "openapi3-ts@npm:4.2.2"
+"openapi3-ts@npm:4.3.3, openapi3-ts@npm:^4.3.3":
+  version: 4.3.3
+  resolution: "openapi3-ts@npm:4.3.3"
   dependencies:
-    yaml: "npm:^2.3.4"
-  checksum: 10c0/8569c0cecf12353d57d7cebe28d495a2b33a06f6f9ebb1b9c808490f9ea87e7e480c62ffb9c3632f78647b09ca722bbc39b36804e73cea1f8fc7626785a23b99
+    yaml: "npm:^2.4.5"
+  checksum: 10c0/44090b7fe8d252740c55e6485e287bd1b1c6a32b3b0b9dfa7924c716a125e3c42daafbf4e6b3b8fdb4e2f9188c60e4b9211e4d474c861750919ca291b4bb855f
   languageName: node
   linkType: hard
 
@@ -6823,7 +6823,7 @@ __metadata:
     find-up: "npm:5.0.0"
     fs-extra: "npm:^11.2.0"
     lodash.uniq: "npm:^4.5.0"
-    openapi3-ts: "npm:4.2.2"
+    openapi3-ts: "npm:4.3.3"
     string-argv: "npm:^0.3.2"
     tsconfck: "npm:^2.0.1"
   bin:
@@ -9528,6 +9528,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"yaml@npm:^2.4.5":
+  version: 2.5.0
+  resolution: "yaml@npm:2.5.0"
+  bin:
+    yaml: bin.mjs
+  checksum: 10c0/771a1df083c8217cf04ef49f87244ae2dd7d7457094425e793b8f056159f167602ce172aa32d6bca21f787d24ec724aee3cecde938f6643564117bd151452631
+  languageName: node
+  linkType: hard
+
 "yargs-parser@npm:21.1.1, yargs-parser@npm:^21.1.1":
   version: 21.1.1
   resolution: "yargs-parser@npm:21.1.1"