diff --git a/.github/workflows/run_test.yml b/.github/workflows/run_test.yml
new file mode 100644
index 0000000..7bb2884
--- /dev/null
+++ b/.github/workflows/run_test.yml
@@ -0,0 +1,76 @@
+name: ZMat CI
+
+on: [push, pull_request]
+
+jobs:
+  octave_test:
+    name: Octave tests
+    strategy:
+      # provided octave versions: ubuntu-20.04 = 5.2, ubuntu-22.04 = 6.4, macos-11 = 8.1, windows-2019 = 7.3
+      matrix:
+        os: [ubuntu-20.04, ubuntu-22.04, macos-11, windows-2019]
+    runs-on: ${{ matrix.os }}
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+        with:
+          submodules: 'recursive'
+      - name: Install dependencies
+        run: |
+          [[ "$RUNNER_OS" == "Linux" ]] && sudo apt-get update && sudo apt-get install -y octave
+          [[ "$RUNNER_OS" == "macOS" ]] && brew install octave
+          if [[ "$RUNNER_OS" == "Windows" ]]; then
+            curl --retry 3 -kL http://cdimage.debian.org/mirror/gnu.org/gnu/octave/windows/octave-7.3.0-w64-64.7z --output octave_7.3.0.7z
+            7z x octave_7.3.0.7z -ooctave -y
+            echo "$PWD/octave/octave-7.3.0-w64-64/mingw64/bin" >> $GITHUB_PATH
+          fi
+      - name: Build static library
+        run: |
+          make -C src lib
+          make -C example/c all LIBTYPE=
+          if [ "$TRAVIS_OS_NAME" = "macOS" ]; then
+             DYLD_LIBRARY_PATH=lib example/c/testzmat;
+          else
+             LD_LIBRARY_PATH=lib example/c/testzmat;
+          fi
+      - name: Build dynamic library
+        run: |
+          make -C src dll
+          make -C example/c all LIBTYPE=
+          if [ "$RUNNER_OS" = "macOS" ]; then
+             DYLD_LIBRARY_PATH=lib example/c/testzmat;
+          else
+             LD_LIBRARY_PATH=lib example/c/testzmat;
+          fi
+      - name: Build octave mex
+        run: |
+          make -C src oct;
+      - name: Run octave test
+        run: |
+          octave-cli --version
+          octave-cli --eval "addpath(pwd);cd test;run_zmat_test";
+
+  matlab_test:
+    name: MATLAB test
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, macos-11, windows-2019]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+        with:
+          submodules: 'recursive'
+      - name: Set up MATLAB
+        uses: matlab-actions/setup-matlab@v1
+      - name: Build octave mex
+        run: |
+          make -C src mex;
+      - name: Run MATLAB examples
+        uses: matlab-actions/run-command@v1
+        with:
+          command: addpath(pwd);cd test;run_zmat_test
diff --git a/src/Makefile b/src/Makefile
index 865542d..b1e452d 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -11,7 +11,6 @@ ZMATDIR ?=$(ROOTDIR)
 LIBDIR  ?=$(ROOTDIR)/lib
 
 MKDIR      :=mkdir
-HAVE_MINIZ ?=no
 HAVE_LZMA  ?=yes
 HAVE_LZ4   ?=yes
 HAVE_ZSTD  ?=yes
@@ -65,14 +64,6 @@ else
   endif
 endif
 
-ifeq ($(HAVE_MINIZ),no)
-  CFLAGS+=-DNO_MINIZ
-  LINKOPT+=-lz
-else
-  INCLUDEDIRS+=-Iminiz
-  FILES+=miniz/miniz
-endif
-
 ifeq ($(HAVE_LZMA),no)
   CFLAGS+=-DNO_LZMA
 else
@@ -131,16 +122,15 @@ ifeq ($(MAKECMDGOALS),dll)
    OUTPUTFLAG :=-o
    BINARY     :=libzmat.so.1
    OUTPUT_DIR :=$(LIBDIR)
+   LINKOPT    +=-lz
 
    ifeq ($(findstring Darwin,$(PLATFORM)), Darwin)
-      ARFLAGS    :=-shared -Wl,-install_name,$(BINARY)
+      ARFLAGS    :=-shared -Wl,-install_name,$(BINARY) -lz
    else
-      ARFLAGS    :=-shared -Wl,-soname,$(BINARY)
+      ARFLAGS    :=-shared -Wl,-soname,$(BINARY) -lz
    endif
 endif
 
-export HAVE_MINIZ HAVE_LZ4 HAVE_ZSTD
-
 dll:   CPPOPT     +=$(DLLFLAG)
 dll:   ARFLAGS    ?=-shared -Wl,-soname,$(BINARY).1
 dll:   LINKOPT    +=$(LDFLAGS)
@@ -156,7 +146,7 @@ oct:   LINKOPT+=--mex $(INCLUDEDIRS)
 mex:   CXX=$(MEX)
 mex:   OUTPUTFLAG:=-output
 mex:   AR=$(MEX) zmat.cpp $(INCLUDEDIRS)
-mex:   LINKOPT+= -cxx CXXLIBS='$$CXXLIBS -static-libgcc -static-libstdc++' -outdir $(ZMATDIR)
+mex:   LINKOPT+= -cxx CXXLIBS='$$CXXLIBS -lz -static-libgcc -static-libstdc++' -outdir $(ZMATDIR)
 mex:   ARFLAGS    :=
 mex:   OUTPUT_DIR=..
 
diff --git a/src/blosc2/blosc/Makefile b/src/blosc2/blosc/Makefile
index bbe56c6..2a36fb3 100644
--- a/src/blosc2/blosc/Makefile
+++ b/src/blosc2/blosc/Makefile
@@ -19,10 +19,6 @@ ECHO       := echo
 BINARY:=blosc2
 OUTPUT_DIR=$(ZMATDIR)
 
-HAVE_MINIZ ?=yes
-HAVE_LZ4   ?=yes
-HAVE_ZSTD  ?=yes
-
 DOXY       := doxygen
 DOCDIR     := $(ZMATDIR)/doc
 DOXYCFG=zmat.cfg
@@ -36,22 +32,7 @@ PLATFORM = $(shell uname -s)
 
 DLLFLAG=-fPIC
 
-CPPOPT=-g -Wall -Wextra -O3 -msse2 -DNDEBUG $(DLLFLAG) -std=gnu99 #-g -Wall -std=c99 # -DUSE_OS_TIMER
-
-ifeq ($(HAVE_MINIZ),yes)
-  CPPOPT+= -DHAVE_MINIZ
-else
-  CPPOPT+= -DHAVE_ZLIB
-endif
-
-ifeq ($(HAVE_LZ4),yes)
-  CPPOPT+= -DHAVE_LZ4
-endif
-
-ifeq ($(HAVE_ZSTD),yes)
-  CPPOPT+= -DHAVE_ZSTD
-endif
-
+CPPOPT=-g -Wall -Wextra -O3 -msse2 -DHAVE_ZSTD -DHAVE_ZLIB -DHAVE_LZ4 -DNDEBUG $(DLLFLAG) -std=gnu99 #-g -Wall -std=c99 # -DUSE_OS_TIMER
 
 OUTPUTFLAG:=-o
 OBJSUFFIX=.o
diff --git a/src/zmatlib.c b/src/zmatlib.c
index bb9a8aa..ed66ec1 100644
--- a/src/zmatlib.c
+++ b/src/zmatlib.c
@@ -49,12 +49,7 @@
 #include <assert.h>
 
 #include "zmatlib.h"
-
-#ifndef NO_MINIZ
-    #include "miniz.h"
-#else
-    #include "zlib.h"
-#endif
+#include "zlib.h"
 
 #ifndef NO_LZMA
     #include "easylzma/compress.h"