diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3c49bc4b55..784a667e6a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -114,7 +114,7 @@ jobs:
         # for the openPMD-api build, CMake shall search for
         # static dependencies of HDF5 and ADIOS1 (see setup.py)
         CIBW_ENVIRONMENT: HDF5_USE_STATIC_LIBRARIES='ON' ZLIB_USE_STATIC_LIBS='ON' ADIOS_USE_STATIC_LIBS='ON' openPMD_CMAKE_openPMD_USE_HDF5='ON' openPMD_CMAKE_openPMD_USE_ADIOS2='ON'
-        CIBW_ENVIRONMENT_WINDOWS: HDF5_USE_STATIC_LIBRARIES='ON' ZLIB_USE_STATIC_LIBS='ON' openPMD_CMAKE_openPMD_USE_HDF5='ON' openPMD_CMAKE_openPMD_USE_ADIOS2='ON' CMAKE_PREFIX_PATH='C:/Program Files (x86)/ADIOS2;C:/Program Files (x86)/blosc;C:/Program Files (x86)/blosc2;C:/Program Files (x86)/HDF5;C:/Program Files (x86)/ZFP;C:/Program Files (x86)/zlib'
+        CIBW_ENVIRONMENT_WINDOWS: HDF5_USE_STATIC_LIBRARIES='ON' ZLIB_USE_STATIC_LIBS='ON' openPMD_CMAKE_openPMD_USE_HDF5='ON' openPMD_CMAKE_openPMD_USE_ADIOS2='ON' CMAKE_PREFIX_PATH='C:/Program Files (x86)/ADIOS2;C:/Program Files (x86)/blosc2;C:/Program Files (x86)/HDF5;C:/Program Files (x86)/ZFP;C:/Program Files (x86)/zlib'
         # C++17 support in macOS 10.13+ (partial) and 10.14+ (std::visit) and 10.15+ (std::filesystem::path)
         #   https://cibuildwheel.readthedocs.io/en/stable/cpp_standards/#macos-and-deployment-target-versions
         # arm64/aarch64 (M1/M2) requires 11.0+
diff --git a/library_builders.bat b/library_builders.bat
index 091e00f606..123dc8a001 100644
--- a/library_builders.bat
+++ b/library_builders.bat
@@ -23,6 +23,7 @@ exit /b 0
 
   cmake -S dep-adios2/ADIOS2-2.9.2 -B build-adios2 ^
     -DCMAKE_BUILD_TYPE=Release  ^
+    -DCMAKE_INSTALL_PREFIX=%BUILD_PREFIX%/blosc2  ^
     -DBUILD_SHARED_LIBS=OFF     ^
     -DBUILD_TESTING=OFF         ^
     -DADIOS2_USE_MPI=OFF        ^
@@ -70,6 +71,7 @@ exit /b 0
 
   cmake -S dep-blosc2/c-blosc2-2.11.1 -B build-blosc2 ^
     -DCMAKE_BUILD_TYPE=Release  ^
+    -DCMAKE_POSITION_INDEPENDENT_CODE=ON   ^
     -DBUILD_SHARED=OFF          ^
     -DBUILD_STATIC=ON           ^
     -DBUILD_BENCHMARKS=OFF      ^