diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 000000000..7dbaf148d
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,8 @@
+language: c
+sudo: required
+install: wget https://raw.githubusercontent.com/anlun/ocaml-ci-scripts/patch-1/.travis-opam.sh
+script: bash -ex .travis-opam.sh
+env:
+  - OCAML_VERSION=4.06
+os:
+  - linux
\ No newline at end of file
diff --git a/Makefile b/Makefile
index d13b54d61..4b162e273 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,15 @@
 SHELL := /bin/bash
 
-.PHONY: all
+.PHONY: all regression
 
 all:
 	pushd src && make && popd
 
+install: ;
+
+regression:
+	pushd regression && ./test.sh && popd
+
 clean:
 	pushd src && make clean && popd
 
diff --git a/README.md b/README.md
index e2e51686a..552617ec3 100644
--- a/README.md
+++ b/README.md
@@ -12,5 +12,3 @@ Building:
 * `opam install GT`
 * To build the sources: `make` from the top project directory
 * To test: `test.sh` from `regression` subfolder
-
-
diff --git a/opam b/opam
new file mode 100644
index 000000000..2099ce320
--- /dev/null
+++ b/opam
@@ -0,0 +1,27 @@
+opam-version: "1.2"
+authors: "dboulytchev@gmail.com"
+maintainer: "dboulytchev@gmail.com"
+version:  "0.3"
+homepage: "https://github.com/dboulytchev/compiler-workout"
+bug-reports: "https://github.com/dboulytchev/compiler-workout/issues"
+dev-repo:    "git+https://github.com/dboulytchev/compiler-workout.git"
+
+build: [
+  [make "-f" "Makefile" ]
+]
+
+remove:  ["ocamlfind" "remove" "compiler-workout"]
+flags: [ light-uninstall ]
+
+build-test: [
+  [make "-f" "Makefile" "regression"]
+]
+
+depends: [
+  "ocamlbuild" {build}
+  "ocamlfind"
+  "camlp5"
+  "ostap"
+  "GT"
+  "re"
+]
\ No newline at end of file