diff --git a/README.md b/README.md
index 61b6d25..3c2d6f3 100644
--- a/README.md
+++ b/README.md
@@ -163,8 +163,8 @@ without the launcher's build step or single-instance lock.
 
 ## Jetson (aarch64) bring-up
 
-`requirements.txt` pins PyQt6 below 6.8 on aarch64 for the older glibc used by
-Jetson images. CUDA comes from JetPack in `/usr/local/cuda`; pip CUDA packages
+`requirements.txt` installs PyQt6 from wheels only, so pip picks the newest release
+the system glibc can run: 6.7 on Jetson's glibc 2.35, current releases on Debian 13. CUDA comes from JetPack in `/usr/local/cuda`; pip CUDA packages
 are installed only on x86_64. Use the same build commands and launcher as above.
 
 The USB updater can create a fresh venv with an already installed interpreter,
diff --git a/requirements.txt b/requirements.txt
index 34ff4b6..67802f0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,11 +2,10 @@ numpy>=1.26,<3
 scipy>=1.11,<2
 libusb1>=3.1
 pyserial>=3.5,<4
-# PyQt6 6.8+ ships only manylinux_2_39 aarch64 wheels (glibc >= 2.39); Jetson /
-# Ubuntu 22.04 has glibc 2.35, so pip would fall back to a source build that
-# dies on qmake. 6.7.1 is the last release with a manylinux_2_28 aarch64 wheel.
-PyQt6>=6.6,<6.8; platform_machine == "aarch64"
-PyQt6>=6.6; platform_machine != "aarch64"
+# Wheels only: pip then takes the newest PyQt6 this glibc can run (6.7 on Jetson's 2.35,
+# whose newer releases need manylinux_2_39) instead of an sdist build that dies on qmake.
+--only-binary PyQt6,PyQt6-Qt6
+PyQt6>=6.6
 pyqtgraph>=0.13.7
 fastapi>=0.110           # embedded web UI (browser view + controls), served in-process
 uvicorn[standard]>=0.29  # ASGI server for the web UI, run on a background thread