diff --git a/.travis.yml b/.travis.yml
index 1ef11ef..b8ac43c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,6 @@ env:
     - PACKAGE="albatross"
     - TESTS=false
   matrix:
-    - OCAML_VERSION=4.04
     - OCAML_VERSION=4.05
     - OCAML_VERSION=4.06
 notifications:
diff --git a/opam b/opam
index fbc7f10..79e236f 100644
--- a/opam
+++ b/opam
@@ -4,7 +4,7 @@ authors: ["Hannes Mehnert <hannes@mehnert.org>"]
 homepage: "https://github.com/hannesm/vmm"
 dev-repo: "https://github.com/hannesm/vmm.git"
 bug-reports: "https://github.com/hannesm/vmm/issues"
-available: [ ocaml-version >= "4.04.0"]
+available: [ ocaml-version >= "4.05.0"]
 
 depends: [
   "ocamlfind" {build}