diff --git a/packages/language-server/package.json b/packages/language-server/package.json
index 7395a31..a0b2549 100644
--- a/packages/language-server/package.json
+++ b/packages/language-server/package.json
@@ -34,7 +34,7 @@
     "prettier": "^3.2.5",
     "satori": "^0.10.13",
     "ts-morph": "21.0.1",
-    "ts-pattern": "5.0.8",
+    "ts-pattern": "5.9.0",
     "tsup": "8.0.2",
     "typescript": "^5.4.2",
     "utf8": "^3.0.0",
diff --git a/yarn.lock b/yarn.lock
index 81dfadf..93ce835 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1732,7 +1732,7 @@ __metadata:
     prettier: "npm:^3.2.5"
     satori: "npm:^0.10.13"
     ts-morph: "npm:21.0.1"
-    ts-pattern: "npm:5.0.8"
+    ts-pattern: "npm:5.9.0"
     tsup: "npm:8.0.2"
     typescript: "npm:^5.4.2"
     utf8: "npm:^3.0.0"
@@ -11035,6 +11035,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ts-pattern@npm:5.9.0":
+  version: 5.9.0
+  resolution: "ts-pattern@npm:5.9.0"
+  checksum: 7640db25c39d29b287471b2b82d4f7b4674a02098c6ba4d10fed180adfb07d0e0c71930d9e59dc0d90654145e02fd320af63cf0df3c41e100d4154658a612a0a
+  languageName: node
+  linkType: hard
+
 "tsconfck@npm:3.0.2":
   version: 3.0.2
   resolution: "tsconfck@npm:3.0.2"