diff --git a/.github/workflows/ci-lazer-solana-contract.yml b/.github/workflows/ci-lazer-solana-contract.yml
index 44b96952b..d464a55db 100644
--- a/.github/workflows/ci-lazer-solana-contract.yml
+++ b/.github/workflows/ci-lazer-solana-contract.yml
@@ -37,7 +37,7 @@ jobs:
       - name: Install Anchor
         run: RUSTFLAGS= cargo install --git https://github.com/coral-xyz/anchor --tag v0.30.1 anchor-cli
       - name: Install pnpm
-        run: npm install --global pnpm@9.13.2
+        run: npm install --global pnpm@9.15.4
       - name: Install test dependencies
         run: pnpm install --frozen-lockfile
       - name: Run tests
diff --git a/lazer/sdk/js/package.json b/lazer/sdk/js/package.json
index 95e5a906d..4f0707e60 100644
--- a/lazer/sdk/js/package.json
+++ b/lazer/sdk/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@pythnetwork/pyth-lazer-sdk",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "Pyth Lazer SDK",
   "publishConfig": {
     "access": "public"
diff --git a/lazer/sdk/js/src/socket/websocket-pool.ts b/lazer/sdk/js/src/socket/websocket-pool.ts
index 3ee44ba15..c756efc09 100644
--- a/lazer/sdk/js/src/socket/websocket-pool.ts
+++ b/lazer/sdk/js/src/socket/websocket-pool.ts
@@ -14,6 +14,7 @@ export class WebSocketPool {
   private messageListeners: ((event: WebSocket.Data) => void)[];
   private allConnectionsDownListeners: (() => void)[];
   private wasAllDown = true;
+  private checkConnectionStatesInterval: NodeJS.Timeout;
 
   private constructor(private readonly logger: Logger = dummyLogger) {
     this.rwsPool = [];
@@ -23,7 +24,7 @@ export class WebSocketPool {
     this.allConnectionsDownListeners = [];
 
     // Start monitoring connection states
-    setInterval(() => {
+    this.checkConnectionStatesInterval = setInterval(() => {
       this.checkConnectionStates();
     }, 100);
   }
@@ -218,5 +219,6 @@ export class WebSocketPool {
     this.subscriptions.clear();
     this.messageListeners = [];
     this.allConnectionsDownListeners = [];
+    clearInterval(this.checkConnectionStatesInterval);
   }
 }