diff --git a/package.json b/package.json
index 18a4763..9a59b8c 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "rxjs": "6.6.7",
-    "typescript": "4.3.2"
+    "typescript": "4.9.5"
   },
   "devDependencies": {
     "@types/node": "15.6.1",
diff --git a/yarn.lock b/yarn.lock
index 509bf53..a233749 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -93,10 +93,10 @@ tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
-typescript@4.3.2:
-  version "4.3.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.2.tgz#399ab18aac45802d6f2498de5054fcbbe716a805"
-  integrity sha512-zZ4hShnmnoVnAHpVHWpTcxdv7dWP60S2FsydQLV8V5PbS3FifjWFFRiHSWpDJahly88PRyV5teTSLoq4eG7mKw==
+typescript@4.9.5:
+  version "4.9.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.5.tgz#095979f9bcc0d09da324d58d03ce8f8374cbe65a"
+  integrity sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==
 
 yn@3.1.1:
   version "3.1.1"