diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index aa8d209..6bf1309 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -110,7 +110,7 @@ jobs:
             apt-get install -y cmake ninja-build
             git clone --recurse-submodules --depth 1 -b v0.9.1 https://github.com/libjxl/libjxl.git
             cd libjxl
-            cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTING=OFF \
+            cmake -B build -G Ninja -DBUILD_SHARED_LIBS=OFF -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTING=OFF \
               -DJPEGXL_ENABLE_TOOLS=OFF -DJPEGXL_ENABLE_DOXYGEN=OFF -DJPEGXL_ENABLE_MANPAGES=OFF \
               -DJPEGXL_ENABLE_BENCHMARKS=OFF -DJPEGXL_ENABLE_EXAMPLES=OFF -DJPEGXL_ENABLE_JNI=OFF \
               -DJPEGXL_ENABLE_SJPEG=OFF -DJPEGXL_ENABLE_OPENEXR=OFF