diff --git a/package-lock.json b/package-lock.json
index afd4b48..47f7b49 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -168,6 +168,15 @@
         "@types/node": "*"
       }
     },
+    "@types/snowflake-sdk": {
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/@types/snowflake-sdk/-/snowflake-sdk-1.6.2.tgz",
+      "integrity": "sha512-68albQhKcrtz6G7IhXab8JE/96EN5COPo63+xUxvjwbYXe1BD8WTLVIXIxLdvC5oLmrK8Tf5W0mz+swaH/AfBQ==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "agent-base": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-2.1.1.tgz",
diff --git a/package.json b/package.json
index 49a5405..d8f4a92 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
   },
   "devDependencies": {
     "@types/node": "^10.17.55",
+    "@types/snowflake-sdk": "^1.6.2",
     "del-cli": "^3.0.1",
     "np": "^6.5.0",
     "ts-node": "^9.1.1",
diff --git a/src/types/LoggingOptions.ts b/src/types/LoggingOptions.ts
index aec345a..14d0efd 100644
--- a/src/types/LoggingOptions.ts
+++ b/src/types/LoggingOptions.ts
@@ -2,5 +2,5 @@ export interface LoggingOptions {
   /** optional function to log SQL statements (e.g. console.log) */
   logSql?: (sqlText: string) => void;
   /** turn on SDK-level logging */
-  logLevel?: 'error' | 'warn' | 'debug' | 'info' | 'trace';
+  logLevel?: "ERROR" | "WARN" | "DEBUG" | "INFO" | "TRACE";
 }