diff --git a/packages/epubinator/package.json b/packages/epubinator/package.json
index e35445ab..11c73b75 100644
--- a/packages/epubinator/package.json
+++ b/packages/epubinator/package.json
@@ -62,6 +62,6 @@
     "lerna": "^4.0.0",
     "prettier": "^2.6.2",
     "ts-jest": "^27.0.7",
-    "typescript": "^4.6.3"
+    "typescript": "^4.6.4"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 0e0ebd20..463c4c2d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9644,10 +9644,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^4.6.3:
-  version "4.6.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.6.3.tgz#eefeafa6afdd31d725584c67a0eaba80f6fc6c6c"
-  integrity sha512-yNIatDa5iaofVozS/uQJEl3JRWLKKGJKh6Yaiv0GLGSuhpFJe7P3SbHZ8/yjAHRQwKRoA6YZqlfjXWmVzoVSMw==
+typescript@^4.6.4:
+  version "4.6.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.6.4.tgz#caa78bbc3a59e6a5c510d35703f6a09877ce45e9"
+  integrity sha512-9ia/jWHIEbo49HfjrLGfKbZSuWo9iTMwXO+Ca3pRsSpbsMbc7/IU8NKdCZVRRBafVPGnoJeFL76ZOAA84I9fEg==
 
 uglify-js@^3.1.4:
   version "3.13.5"