diff --git a/.travis.yml b/.travis.yml
index 06a76e4d..48e61901 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,17 +6,12 @@ install: wget https://raw.githubusercontent.com/ocaml/ocaml-travisci-skeleton/ma
 script: bash -ex ./.travis-docker.sh
 env:
   global:
+  - DISTRO="ubuntu"
   - PINS="httpaf-async:. httpaf-lwt:. httpaf:."
+  - PACKAGE="httpaf"
+  - TESTS=true
+  - POST_INSTALL_HOOK="opam install --with-test httpaf-async httpaf-lwt && opam exec -- make examples"
   matrix:
-  - PACKAGE="httpaf"       DISTRO="ubuntu-16.04"    OCAML_VERSION="4.07.1"
-  - PACKAGE="httpaf-async" DISTRO="ubuntu-16.04"    OCAML_VERSION="4.07.1"
-  - PACKAGE="httpaf-lwt"   DISTRO="ubuntu-16.04"    OCAML_VERSION="4.07.1"
-  - PACKAGE="httpaf"       DISTRO="ubuntu-16.04"    OCAML_VERSION="4.06.0"
-  - PACKAGE="httpaf-async" DISTRO="ubuntu-16.04"    OCAML_VERSION="4.06.0"
-  - PACKAGE="httpaf-lwt"   DISTRO="ubuntu-16.04"    OCAML_VERSION="4.06.0"
-  - PACKAGE="httpaf"       DISTRO="ubuntu-16.04"    OCAML_VERSION="4.04.2"
-  - PACKAGE="httpaf-async" DISTRO="ubuntu-16.04"    OCAML_VERSION="4.04.2"
-  - PACKAGE="httpaf-lwt"   DISTRO="ubuntu-16.04"    OCAML_VERSION="4.04.2"
-  - PACKAGE="httpaf"       DISTRO="debian-unstable" OCAML_VERSION="4.03.0"
-  - PACKAGE="httpaf-async" DISTRO="debian-unstable" OCAML_VERSION="4.03.0"
-  - PACKAGE="httpaf-lwt"   DISTRO="debian-unstable" OCAML_VERSION="4.03.0"
+  - OCAML_VERSION="4.07"
+  - OCAML_VERSION="4.06"
+  - OCAML_VERSION="4.05"