diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ed57c1b3ce..06034e6b8f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -113,12 +113,12 @@ jobs:
         url: "https://github.com/ax3l/openPMD-api/commit/43c4bf4327616e9cf7e7992d91d9b8ccd4ee3a83.patch"
         target: src/.patch/
 
-    # 0.15.0.post1 bump
+    # 0.15.0.post2 bump
     - name: Download Patch 4/4
       uses: suisei-cn/actions-download-file@v1
       id: setupversion
       with:
-        url: "https://gist.githubusercontent.com/ax3l/5e83edefe4b05cf6aa2a971649285fe0/raw/b510a363aac6b68651ec8081efbb40cb3bda1d4b/0001-Bump-setup.py.patch"
+        url: "https://gist.githubusercontent.com/ax3l/5e83edefe4b05cf6aa2a971649285fe0/raw/023cbd69e06715e5191ece741bb1de56560a9f96/0001-Bump-setup.py.patch"
         target: src/.patch/
 
     - name: Apply Patches
@@ -143,8 +143,8 @@ jobs:
         CIBW_BEFORE_BUILD_WINDOWS: 'cmd /E:ON /V:ON /C .github\library_builders.bat'
         # 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' 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' 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)/HDF5;C:/Program Files (x86)/ZFP;C:/Program Files (x86)/zlib'
+        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)/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 Python interpreters are built with 11.0
diff --git a/.travis.yml b/.travis.yml
index 6fe7b89564..31c80dbb97 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -145,7 +145,7 @@ before_script:
   - curl -sOL https://github.com/ax3l/openPMD-api/commit/b622cc5ea770f866c1e373185a9e389c04bdb54c.patch
   - curl -sOL https://github.com/ax3l/openPMD-api/commit/a1aac530dbc8261656cf6a07900374bc6ac6fcab.patch
   - curl -sOL https://github.com/ax3l/openPMD-api/commit/43c4bf4327616e9cf7e7992d91d9b8ccd4ee3a83.patch
-  - curl -sOL https://gist.githubusercontent.com/ax3l/5e83edefe4b05cf6aa2a971649285fe0/raw/b510a363aac6b68651ec8081efbb40cb3bda1d4b/0001-Bump-setup.py.patch
+  - curl -sOL https://gist.githubusercontent.com/ax3l/5e83edefe4b05cf6aa2a971649285fe0/raw/023cbd69e06715e5191ece741bb1de56560a9f96/0001-Bump-setup.py.patch
   - cd ..
   - python3 -m patch .patch/b622cc5ea770f866c1e373185a9e389c04bdb54c.patch
   - python3 -m patch .patch/a1aac530dbc8261656cf6a07900374bc6ac6fcab.patch
diff --git a/library_builders.bat b/library_builders.bat
index 02f08702cb..383e2d13d1 100644
--- a/library_builders.bat
+++ b/library_builders.bat
@@ -51,6 +51,9 @@ exit /b 0
   cmake --build build-adios2 --target install --config Release
   if errorlevel 1 exit 1
 
+  rmdir /s /q build-adios2
+  if errorlevel 1 exit 1
+
   break > adios2-stamp
   if errorlevel 1 exit 1
 exit /b 0
@@ -68,6 +71,7 @@ exit /b 0
     -DBUILD_SHARED=OFF          ^
     -DBUILD_STATIC=ON           ^
     -DBUILD_TESTS=OFF           ^
+    -DZLIB_USE_STATIC_LIBS=ON   ^
     -DDEACTIVATE_SNAPPY=ON
   if errorlevel 1 exit 1
 
@@ -77,6 +81,9 @@ exit /b 0
   cmake --build build-blosc --target install --config Release
   if errorlevel 1 exit 1
 
+  rmdir /s /q build-blosc
+  if errorlevel 1 exit 1
+
   break > blosc-stamp
   if errorlevel 1 exit 1
 exit /b 0
@@ -93,6 +100,7 @@ exit /b 0
     -DCMAKE_VERBOSE_MAKEFILE=ON ^
     -DBUILD_SHARED_LIBS=OFF     ^
     -DBUILD_TESTING=OFF         ^
+    -DTEST_SHELL_SCRIPTS=OFF    ^
     -DHDF5_BUILD_CPP_LIB=OFF    ^
     -DHDF5_BUILD_EXAMPLES=OFF   ^
     -DHDF5_BUILD_FORTRAN=OFF    ^
@@ -101,6 +109,7 @@ exit /b 0
     -DHDF5_ENABLE_PARALLEL=OFF  ^
     -DHDF5_ENABLE_SZIP_SUPPORT=OFF ^
     -DHDF5_ENABLE_Z_LIB_SUPPORT=ON ^
+    -DZLIB_USE_STATIC_LIBS=ON   ^
     -DCMAKE_INSTALL_PREFIX=%BUILD_PREFIX%/HDF5
   if errorlevel 1 exit 1
 
@@ -110,6 +119,9 @@ exit /b 0
   cmake --build build-hdf5 --target install --config Release
   if errorlevel 1 exit 1
 
+  rmdir /s /q build-hdf5
+  if errorlevel 1 exit 1
+
   break > hdf5-stamp
   if errorlevel 1 exit 1
 exit /b 0
@@ -137,6 +149,9 @@ exit /b 0
   cmake --build build-zfp --target install --config Release
   if errorlevel 1 exit 1
 
+  rmdir /s /q build-zfp
+  if errorlevel 1 exit 1
+
   break > zfp-stamp
   if errorlevel 1 exit 1
 exit /b 0
@@ -144,12 +159,12 @@ exit /b 0
 :build_zlib
   if exist zlib-stamp exit /b 0
 
-  curl -sLo zlib-1.2.12.zip ^
-    https://github.com/madler/zlib/archive/v1.2.12.zip
-  powershell Expand-Archive zlib-1.2.12.zip -DestinationPath dep-zlib
+  curl -sLo zlib-1.2.13.zip ^
+    https://github.com/madler/zlib/archive/v1.2.13.zip
+  powershell Expand-Archive zlib-1.2.13.zip -DestinationPath dep-zlib
 
-  cmake -S dep-zlib/zlib-1.2.12 -B build-zlib ^
-    -DBUILD_SHARED_LIBS=OFF ^
+  cmake -S dep-zlib/zlib-1.2.13 -B build-zlib ^
+    -DBUILD_SHARED_LIBS=ON ^
     -DCMAKE_BUILD_TYPE=Release
   if errorlevel 1 exit 1
 :: Manually-specified variables were not used by the project:
@@ -161,6 +176,14 @@ exit /b 0
   cmake --build build-zlib --target install --config Release
   if errorlevel 1 exit 1
 
+  set "zlib_dll=%BUILD_PREFIX:~1,-1%/zlib/bin/zlib1.dll"
+  set "zlib_dll=%zlib_dll:/=\%"
+  del "%zlib_dll%"
+  if errorlevel 1 exit 1
+
+  rmdir /s /q build-zlib
+  if errorlevel 1 exit 1
+
   break > zlib-stamp
   if errorlevel 1 exit 1
 exit /b 0
diff --git a/library_builders.sh b/library_builders.sh
index 9377d57f03..6f7dba2ed1 100755
--- a/library_builders.sh
+++ b/library_builders.sh
@@ -118,8 +118,8 @@ function build_adios2 {
         ADIOS2_USE_SST=OFF
     fi
 
-    mkdir build-ADIOS2
-    cd build-ADIOS2
+    mkdir build-adios2
+    cd build-adios2
     PY_BIN=$(which python3)
     CMAKE_BIN="$(${PY_BIN} -m pip show cmake 2>/dev/null | grep Location | cut -d' ' -f2)/cmake/data/bin/"
     if [ "$(uname -s)" = "Linux" ]
@@ -153,6 +153,8 @@ function build_adios2 {
     make install
     cd -
 
+    rm -rf build-adios2
+
     touch adios2-stamp
 }
 
@@ -178,8 +180,8 @@ function build_blosc {
       DEACTIVATE_SSE2=ON
     fi
 
-    mkdir build-c-blosc
-    cd build-c-blosc
+    mkdir build-blosc
+    cd build-blosc
     PY_BIN=$(which python3)
     CMAKE_BIN="$(${PY_BIN} -m pip show cmake 2>/dev/null | grep Location | cut -d' ' -f2)/cmake/data/bin/"
     PATH=${CMAKE_BIN}:${PATH} cmake          \
@@ -190,11 +192,14 @@ function build_blosc {
       -DBUILD_BENCHMARKS=OFF                 \
       -DCMAKE_VERBOSE_MAKEFILE=ON            \
       -DCMAKE_INSTALL_PREFIX=${BUILD_PREFIX} \
+      -DZLIB_USE_STATIC_LIBS=ON              \
       ../c-blosc-*
     make -j${CPU_COUNT}
     make install
     cd -
 
+    rm -rf build-blosc
+
     touch blosc-stamp
 }
 
@@ -221,13 +226,15 @@ function build_zfp {
     make install
     cd -
 
+    rm -rf build-zfp
+
     touch zfp-stamp
 }
 
 function build_zlib {
     if [ -e zlib-stamp ]; then return; fi
 
-    ZLIB_VERSION="1.2.12"
+    ZLIB_VERSION="1.2.13"
 
     curl -sLO https://zlib.net/fossils/zlib-$ZLIB_VERSION.tar.gz
     file zlib*.tar.gz
@@ -247,6 +254,8 @@ function build_zlib {
     PATH=${CMAKE_BIN}:${PATH} cmake --build build-zlib --target install
     rm -rf ${BUILD_PREFIX}/lib/libz.*dylib ${BUILD_PREFIX}/lib/libz.*so
 
+    rm -rf build-zlib
+
     touch zlib-stamp
 }