diff --git a/package.json b/package.json
index c3cb35e..8e2300e 100644
--- a/package.json
+++ b/package.json
@@ -374,7 +374,7 @@
     "clipboardy": "^4.0.0",
     "marked": "^12.0.0",
     "node-machine-id": "^1.1.12",
-    "posthog-node": "3.6.1",
+    "posthog-node": "4.0.0",
     "typescript": "^5.1.6",
     "uuid": "^9.0.0"
   },
diff --git a/src/extension.ts b/src/extension.ts
index 2913523..4928600 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -57,5 +57,5 @@ export function deactivate() {
     },
   });
 
-  analyticsClient?.shutdownAsync();
+  analyticsClient?.shutdown();
 }
diff --git a/yarn.lock b/yarn.lock
index e6a86ff..ce09af1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1548,10 +1548,10 @@ pkg-dir@^4.2.0:
   dependencies:
     find-up "^4.0.0"
 
-posthog-node@3.6.1:
-  version "3.6.1"
-  resolved "https://registry.yarnpkg.com/posthog-node/-/posthog-node-3.6.1.tgz#2cced5a1009fef2b099ccce29356d4ac4f890505"
-  integrity sha512-nvuZngDjzbQ2L2NqaBRWONuQeA3Dv+A8qXGMlOnM3/x07tGUrNYItgrLQH8wCntx75/PUlKq3ftxyQqNprGZjA==
+posthog-node@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/posthog-node/-/posthog-node-4.0.0.tgz#ad85ee63522ec80873e809378181a43348233355"
+  integrity sha512-jEZnNbgb/3FNk+gNwtTcyz3j+62zIN+UTPotONfacVXJnoI70KScSkKdIR+rvP9tA2kjBSoHQxGwJuizs27o9A==
   dependencies:
     axios "^1.6.2"
     rusha "^0.8.14"