diff --git a/USER_MANUAL.md b/USER_MANUAL.md
index fae6f402c..01a886d9e 100644
--- a/USER_MANUAL.md
+++ b/USER_MANUAL.md
@@ -882,6 +882,7 @@ LDPC | Low Density Parity Check Codes - a family of powerful FEC codes
     * FreeDV Reporter: Fix display issues on non-English systems. (PR #1217)
     * Update audio device list in Easy Setup after opening advanced audio setup. (PR #1223)
     * Easy Setup: Fix crash while displaying Hamlib error. (PR #1224)
+    * Force numpy to 2.3.x due to illegal instruction errors. (PR #1230)
 2. Enhancements:
     * FreeDV Reporter: Use ItemsAdded/ItemsDeleted instead of Cleared() for performance. (PR #1212)
 3. Build system:
diff --git a/appimage/make-appimage.sh b/appimage/make-appimage.sh
index 7cb0bb41a..c097f7b3d 100755
--- a/appimage/make-appimage.sh
+++ b/appimage/make-appimage.sh
@@ -62,7 +62,7 @@ source rade-venv/bin/activate # || { echo "ERROR: activate venv failed"; exit 1;
 # Clear cache in venv
 pip3 cache purge
 pip3 install --upgrade pip || echo "WARNING: pip upgrade failed"
-pip3 install numpy
+pip3 install numpy==2.3.5
 pip3 install torch==2.9.1 --index-url https://download.pytorch.org/whl/cpu
 pip3 install matplotlib
 cd -
diff --git a/cmake/rade-requirements.txt b/cmake/rade-requirements.txt
index 3f3144636..422794013 100644
--- a/cmake/rade-requirements.txt
+++ b/cmake/rade-requirements.txt
@@ -1,2 +1,3 @@
 torch==2.9.1
+numpy==2.3.5
 matplotlib
diff --git a/generate-univ-pkgs.sh b/generate-univ-pkgs.sh
index 1a5e1d8a6..43474e33d 100755
--- a/generate-univ-pkgs.sh
+++ b/generate-univ-pkgs.sh
@@ -36,12 +36,12 @@ cp ../delocating.py.patched pkg-venv/lib/python3.12/site-packages/delocate/deloc
 # Download RADE dependencies appropriate for both architectures (x86_64 and arm64)
 
 mkdir arm64
-pip3 download --platform macosx_11_0_arm64 --python-version 3.14 --only-binary=:all: filelock typing-extensions setuptools sympy networkx jinja2 fsspec optree opt-einsum numpy matplotlib
+pip3 download --platform macosx_11_0_arm64 --python-version 3.14 --only-binary=:all: filelock typing-extensions setuptools sympy networkx jinja2 fsspec optree opt-einsum numpy==2.3.5 matplotlib
 wget -O arm64/torch-2.9.1a0+gitd38164a-cp314-cp314-macosx_11_0_arm64.whl https://github.com/tmiw/pytorch-macos-packages/releases/download/v2.9.1-20251129/torch-2.9.1a0+gitd38164a-cp314-cp314-macosx_11_0_arm64.whl
 mv *arm64.whl arm64
 
 mkdir x86_64
-pip3 download --platform macosx_11_0_x86_64 --python-version 3.14 --only-binary=:all: filelock typing-extensions setuptools sympy networkx jinja2 fsspec optree opt-einsum numpy matplotlib
+pip3 download --platform macosx_11_0_x86_64 --python-version 3.14 --only-binary=:all: filelock typing-extensions setuptools sympy networkx jinja2 fsspec optree opt-einsum numpy==2.3.5 matplotlib
 wget -O x86_64/torch-2.9.1a0+gitd38164a-cp314-cp314-macosx_11_0_x86_64.whl https://github.com/tmiw/pytorch-macos-packages/releases/download/v2.9.1-20251129/torch-2.9.1a0+gitd38164a-cp314-cp314-macosx_11_0_x86_64.whl
 #rm numpy*
 #wget -O x86_64/numpy-2.3.2-cp312-cp312-macosx_11_0_x86_64.whl https://k6aq.net/freedv-build/numpy-2.3.2-cp312-cp312-macosx_11_0_x86_64.whl