diff --git a/.github/workflows/ci-centos-7.yml b/.github/workflows/ci-centos-7.yml
new file mode 100644
index 000000000..ca8105c8d
--- /dev/null
+++ b/.github/workflows/ci-centos-7.yml
@@ -0,0 +1,30 @@
+name: CI CentOS 7
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container: centos:7
+
+    steps:
+      - name: Enable RPMFusion and EPEL
+        run: yum -y install https://mirrors.rpmfusion.org/free/el/rpmfusion-free-release-7.noarch.rpm https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
+      - name: Install git
+        run: yum -y install https://repo.ius.io/ius-release-el7.rpm && yum -y install git224
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: Install dependencies
+        run: yum -y update && yum -y install make cmake3 gcc-c++ mariadb-devel ffmpeg-devel libcurl-devel vlc-devel libvncserver-devel libjpeg-turbo-devel "perl(Date::Manip)" "perl(DBD::mysql)" "perl(ExtUtils::MakeMaker)" "perl(Sys::Mmap)" "perl(Sys::Syslog)" "perl(LWP::UserAgent)" polkit-devel
+      - name: Prepare
+        run: mkdir build
+      - name: Configure
+        run: cd build && cmake3 --version && cmake3 .. -DBUILD_MAN=0 -DENABLE_WERROR=1
+      - name: Build
+        run: cd build && make -j3 | grep --line-buffered -Ev '^(cp lib\/|Installing.+\.pm)' && (exit ${PIPESTATUS[0]})
diff --git a/.github/workflows/ci-centos-8.yml b/.github/workflows/ci-centos-8.yml
new file mode 100644
index 000000000..d838804f7
--- /dev/null
+++ b/.github/workflows/ci-centos-8.yml
@@ -0,0 +1,32 @@
+name: CI CentOS 8
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container: centos:8
+
+    steps:
+      - name: Enable RPMFusion, EPEL and PowerTools
+        run: yum -y install "dnf-command(config-manager)" https://mirrors.rpmfusion.org/free/el/rpmfusion-free-release-8.noarch.rpm https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm && yum config-manager --set-enabled powertools
+      - name: Install git
+        run: yum -y install git
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: Install dependencies
+        run: yum -y update && yum -y install make cmake gcc-c++ catch-devel mariadb-devel ffmpeg-devel libcurl-devel vlc-devel libvncserver-devel libjpeg-turbo-devel "perl(Date::Manip)" "perl(DBD::mysql)" "perl(ExtUtils::MakeMaker)" "perl(Sys::Mmap)" "perl(Sys::Syslog)" "perl(LWP::UserAgent)" polkit-devel
+      - name: Prepare
+        run: mkdir build
+      - name: Configure
+        run: cd build && cmake --version && cmake .. -DBUILD_MAN=0 -DBUILD_TEST_SUITE=1 -DENABLE_WERROR=1
+      - name: Build
+        run: cd build && make -j3 | grep --line-buffered -Ev '^(cp lib\/|Installing.+\.pm)' && (exit ${PIPESTATUS[0]})
+      - name: Run test
+        run: cd build/tests && ./tests "~[notCI]"
diff --git a/cmake/compiler/gcc/settings.cmake b/cmake/compiler/gcc/settings.cmake
index ce84dcc1a..14eca0310 100644
--- a/cmake/compiler/gcc/settings.cmake
+++ b/cmake/compiler/gcc/settings.cmake
@@ -6,6 +6,7 @@ target_compile_options(zm-warning-interface
     -Wformat-security
     -Wno-cast-function-type
     $<$<VERSION_LESS:$<CXX_COMPILER_VERSION>,11>:-Wno-clobbered>
+    $<$<VERSION_LESS:$<CXX_COMPILER_VERSION>,5.1>:-Wno-missing-field-initializers>
     -Wno-unused-parameter
     -Woverloaded-virtual
     -Wvla)
diff --git a/src/zm_comms.cpp b/src/zm_comms.cpp
index bef10164d..e3855bdea 100644
--- a/src/zm_comms.cpp
+++ b/src/zm_comms.cpp
@@ -205,6 +205,7 @@ bool ZM::SockAddrUnix::resolve(const char *path, const char *proto) {
   memset(&mAddrUn, 0, sizeof(mAddrUn));
 
   strncpy(mAddrUn.sun_path, path, sizeof(mAddrUn.sun_path));
+  mAddrUn.sun_path[sizeof(mAddrUn.sun_path) - 1] = '\0';
   mAddrUn.sun_family = AF_UNIX;
 
   return true;
diff --git a/tests/zm_font.cpp b/tests/zm_font.cpp
index 9ddb79a0e..432f26d7e 100644
--- a/tests/zm_font.cpp
+++ b/tests/zm_font.cpp
@@ -80,8 +80,11 @@ TEST_CASE("FontVariant: GetCodepoint") {
   std::vector<uint64> bitmap(FontVariant::kMaxNumCodePoints * height);
 
   // fill bitmap for each codepoint alternating with 1 and std::numeric_limits<uint64>::max()
+  // TODO: restore capture initializer when C++14 is supported
+  int32 n = 0;
+  bool zero = true;
   std::generate(bitmap.begin(), bitmap.end(),
-                [n = 0, zero = true]() mutable {
+                [n, zero]() mutable {
                   if (n == height) {
                     zero = !zero;
                     n = 0;