diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 74787458..27c4f0a3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -6,7 +6,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest, ubuntu-latest, windows-latest]
-        ocaml: [ '4.08.0' ]
+        ocaml: [ '4.08.0', '4.03.0', '4.11.0' ]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@main
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 8f82b8f6..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-language: c
-install: wget https://raw.githubusercontent.com/ocaml/ocaml-ci-scripts/master/.travis-docker.sh
-script: bash -ex .travis-docker.sh
-services:
-- docker
-env:
-  global:
-  - PINS="containers:. containers-data:. containers-thread:."
-  - DISTRO="ubuntu-16.04"
-  matrix:
-  - PACKAGE="containers" OCAML_VERSION="4.03"
-  #- PACKAGE="containers" OCAML_VERSION="4.04"
-  #- PACKAGE="containers" OCAML_VERSION="4.05"
-  - PACKAGE="containers" OCAML_VERSION="4.06"
-  #- PACKAGE="containers" OCAML_VERSION="4.07"
-  - PACKAGE="containers" OCAML_VERSION="4.08"
-  - PACKAGE="containers" OCAML_VERSION="4.09" TESTS=false
-  - PACKAGE="containers" OCAML_VERSION="4.10" TESTS=false
-  - PACKAGE="containers-data"   OCAML_VERSION="4.08"
-  - PACKAGE="containers-thread" OCAML_VERSION="4.08"
-  - PACKAGE="containers" OCAML_VERSION="4.11.0"
-cache:
-  directories:
-    - $HOME/.opam/