diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 19be8d9..0069032 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -147,6 +147,8 @@ jobs:
           update: true
           install: >-
             mingw-w64-x86_64-toolchain
+            mingw-w64-x86_64-cmake
+            mingw-w64-x86_64-ninja
           # mingw-w64-x86_64-libjxl
       
       - name: Put MSYS2_MinGW64 on PATH
@@ -163,9 +165,9 @@ jobs:
         run: |
           git clone --recurse-submodules --depth 1 -b v0.10.2 https://github.com/libjxl/libjxl.git
           cd libjxl
-          cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -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 \
+          cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -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
           cmake --build build