diff --git a/index.d.ts b/index.d.ts
index 37721c30..498914be 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -216,8 +216,8 @@ export interface HttpRequest {
     getCaseSensitiveMethod() : string;
     /** Returns the raw querystring (the part of URL after ? sign) or empty string. */
     getQuery() : string;
-    /** Returns a decoded query parameter value or empty string. */
-    getQuery(key: string) : string;
+    /** Returns a decoded query parameter value or undefined. */
+    getQuery(key: string) : string | undefined;
     /** Loops over all headers. */
     forEach(cb: (key: string, value: string) => void) : void;
     /** Setting yield to true is to say that this route handler did not handle the route, causing the router to continue looking for a matching route handler, or fail. */
diff --git a/source_commit b/source_commit
index 2e9bde74..e1461e75 100644
--- a/source_commit
+++ b/source_commit
@@ -1 +1 @@
-f2c021f369d37c28979d8380ea6d6221b52b2c08
+ecd89ce24ae98fd3936e3387ccd315615d1eee37
diff --git a/uws_linux_x64_108.node b/uws_linux_x64_108.node
index 21e21245..85e27925 100644
Binary files a/uws_linux_x64_108.node and b/uws_linux_x64_108.node differ
diff --git a/uws_linux_x64_115.node b/uws_linux_x64_115.node
index e5a89eda..ceea40ee 100644
Binary files a/uws_linux_x64_115.node and b/uws_linux_x64_115.node differ
diff --git a/uws_linux_x64_93.node b/uws_linux_x64_93.node
index 08a2271f..6816eaec 100644
Binary files a/uws_linux_x64_93.node and b/uws_linux_x64_93.node differ