diff --git a/.clang-tidy b/.clang-tidy
index 27a8aa8..2964989 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -5,7 +5,6 @@ bugprone-*,\
 -bugprone-assignment-in-if-condition,\
 -bugprone-branch-clone,\
 -bugprone-easily-swappable-parameters,\
--bugprone-implicit-widening-of-multiplication-result,\
 -bugprone-misplaced-widening-cast,\
 -bugprone-narrowing-conversions,\
 -bugprone-signed-char-misuse,\
diff --git a/examples/dpfp.c b/examples/dpfp.c
index 2949383..6a63cd9 100644
--- a/examples/dpfp.c
+++ b/examples/dpfp.c
@@ -388,7 +388,7 @@ static int save_to_file(unsigned char *data)
 		return -1;
 
 	fputs("P5 384 289 255 ", f);
-	(void)fwrite(data + 64, 1, 384*289, f);
+	(void)fwrite(data + 64, 1, 384L*289L, f);
 	fclose(f);
 	printf("saved image to %s\n", filename);
 	return 0;
diff --git a/libusb/os/darwin_usb.c b/libusb/os/darwin_usb.c
index b75d703..a432000 100644
--- a/libusb/os/darwin_usb.c
+++ b/libusb/os/darwin_usb.c
@@ -2409,10 +2409,10 @@ static int submit_iso_transfer(struct usbi_transfer *itransfer) {
 
   if (LIBUSB_SPEED_FULL == transfer->dev_handle->dev->speed)
     /* Full speed */
-    cInterface->frames[transfer->endpoint] = frame + (UInt32)transfer->num_iso_packets * (1U << (pipe_properties.interval - 1));
+    cInterface->frames[transfer->endpoint] = frame + (UInt64)transfer->num_iso_packets * (1UL << (pipe_properties.interval - 1));
   else
     /* High/super speed */
-    cInterface->frames[transfer->endpoint] = frame + (UInt32)transfer->num_iso_packets * (1U << (pipe_properties.interval - 1)) / 8;
+    cInterface->frames[transfer->endpoint] = frame + (UInt64)transfer->num_iso_packets * (1UL << (pipe_properties.interval - 1)) / 8;
 
   if (kresult != kIOReturnSuccess) {
     usbi_err (TRANSFER_CTX (transfer), "isochronous transfer failed (dir: %s): %s", IS_XFERIN(transfer) ? "In" : "Out",
diff --git a/libusb/version_nano.h b/libusb/version_nano.h
index 0e82000..4023331 100644
--- a/libusb/version_nano.h
+++ b/libusb/version_nano.h
@@ -1 +1 @@
-#define LIBUSB_NANO 11920
+#define LIBUSB_NANO 11921