diff --git a/package-lock.json b/package-lock.json
index 10d8d5e3..8d6af256 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -51,15 +51,114 @@
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         "@api-ts/typed-express-router": "0.0.0-semantically-released",
-        "@ava/typescript": "3.0.1",
+        "@ava/typescript": "4.1.0",
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         "ava": "5.2.0",
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@@ -10427,7 +10526,7 @@
         "openapi-generator": "dist/src/cli.js"
       },
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-        "@ava/typescript": "3.0.1",
+        "@ava/typescript": "4.1.0",
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         "c8": "7.13.0",
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@@ -10552,7 +10651,7 @@
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-        "@ava/typescript": "3.0.1",
+        "@ava/typescript": "4.1.0",
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@@ -10580,7 +10679,7 @@
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         "@api-ts/typed-express-router": "0.0.0-semantically-released",
-        "@ava/typescript": "3.0.1",
+        "@ava/typescript": "4.1.0",
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@@ -10633,7 +10732,7 @@
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-        "@ava/typescript": "3.0.1",
+        "@ava/typescript": "4.1.0",
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@@ -10728,7 +10827,7 @@
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-        "@ava/typescript": "3.0.1",
+        "@ava/typescript": "4.1.0",
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         "c8": "7.13.0",
@@ -10748,11 +10847,74 @@
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diff --git a/packages/express-wrapper/package.json b/packages/express-wrapper/package.json
index b32ac9ff..f2e0e56e 100644
--- a/packages/express-wrapper/package.json
+++ b/packages/express-wrapper/package.json
@@ -25,7 +25,7 @@
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     "@api-ts/typed-express-router": "0.0.0-semantically-released",
-    "@ava/typescript": "3.0.1",
+    "@ava/typescript": "4.1.0",
     "@types/express": "4.17.17",
     "ava": "5.2.0",
     "c8": "7.13.0",
diff --git a/packages/openapi-generator/package.json b/packages/openapi-generator/package.json
index 0bdea7a3..d52c37ce 100644
--- a/packages/openapi-generator/package.json
+++ b/packages/openapi-generator/package.json
@@ -31,7 +31,7 @@
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-    "@ava/typescript": "3.0.1",
+    "@ava/typescript": "4.1.0",
     "ava": "5.2.0",
     "c8": "7.13.0",
     "parser-ts": "0.6.16",
diff --git a/packages/typed-express-router/package.json b/packages/typed-express-router/package.json
index eb2890dd..879ff4d0 100644
--- a/packages/typed-express-router/package.json
+++ b/packages/typed-express-router/package.json
@@ -25,7 +25,7 @@
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-    "@ava/typescript": "3.0.1",
+    "@ava/typescript": "4.1.0",
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     "ts-node": "10.9.1",