diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..b8be443
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,40 @@
+git:
+  depth: 1
+
+language: c
+
+matrix:
+
+  include:
+
+    - os: linux
+      dist: trusty
+      sudo: false
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - gcc-7
+      env:
+        - PKGI_CC=gcc-7
+
+    - os: linux
+      dist: trusty
+      sudo: false
+      addons:
+        apt:
+          sources:
+            - llvm-toolchain-trusty-5.0
+          packages:
+            - clang-5.0
+      env:
+        - PKGI_CC=clang-5.0
+
+    - os: osx
+      osx_image: xcode9.1
+      env:
+        - PKGI_CC=clang
+
+script:
+  - CC=${PKGI_CC} make
diff --git a/makefile b/makefile
index 8c5a672..43d9afb 100644
--- a/makefile
+++ b/makefile
@@ -10,7 +10,7 @@ SRC=${wildcard pkg2zip*.c} puff.c
 OBJ=${SRC:.c=.o}
 DEP=${SRC:.c=.d}
 
-CFLAGS=-pipe -fvisibility=hidden -Wall -Wextra -DNDEBUG -O2
+CFLAGS=-pipe -fvisibility=hidden -Wall -Wextra -Werror -DNDEBUG -O2
 LDFLAGS=-s
 
 .PHONY: all clean