diff --git a/index.d.ts b/index.d.ts
index aa960b97..29da76ab 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -170,6 +170,9 @@ export interface HttpResponse {
     /** Returns the global byte write offset for this response. Use with onWritable. */
     getWriteOffset() : number;
 
+    /** Returns the max remaining body length of the currently read HTTP body. */
+    maxRemainingBodyLength() : bigint;
+
     /** Registers a handler for writable events. Continue failed write attempts in here.
      * You MUST return true for success, false for failure.
      * Writing nothing is always success, so by default you must return true.
diff --git a/source_commit b/source_commit
index 0ba7d71c..967d5c20 100644
--- a/source_commit
+++ b/source_commit
@@ -1 +1 @@
-e1e8339103ddcdf666591afbf4aa8d44482ae171
+64b8e58f477196ba21e8ada281c82dc7591c2b00
diff --git a/uws_linux_arm64_115.node b/uws_linux_arm64_115.node
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diff --git a/uws_linux_arm64_127.node b/uws_linux_arm64_127.node
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diff --git a/uws_linux_arm64_137.node b/uws_linux_arm64_137.node
index 61b35858..9a99b44f 100644
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diff --git a/uws_linux_arm64_141.node b/uws_linux_arm64_141.node
index d75903c7..0734911d 100755
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