diff --git a/.travis.yml b/.travis.yml
index dc9acd8d..52b67066 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,8 +7,6 @@ matrix:
     #
     #- os: linux
     #  env: OCAML_VERSION=system
-    - os: linux
-      env: OCAML_VERSION=4.02
     - os: linux
       env: OCAML_VERSION=4.03
     - os: linux
diff --git a/INSTALL b/INSTALL
index c8838bd4..4d0bca8a 100644
--- a/INSTALL
+++ b/INSTALL
@@ -50,7 +50,7 @@ On Windows:
 
 On other Unix systems:
 
-        * OCaml (>= 4.02.0)
+        * OCaml (>= 4.03.0)
 
                 OCaml is available in most Linux distributions. It can also be
                 downloaded from here:
diff --git a/configure b/configure
index 50fb87e9..ec1881ac 100755
--- a/configure
+++ b/configure
@@ -132,8 +132,8 @@ fi
 echo "ocaml version: $OCAML_VERSION"
 
 case $OCAML_VERSION in
-    3.*|4.00.*|4.01.*)
-        echo "configure: error: OCaml version ($OCAML_VERSION) is too old -- need >= 4.02; See INSTALL for details" 1>&2
+    3.*|4.00.*|4.01.*|4.02.*)
+        echo "configure: error: OCaml version ($OCAML_VERSION) is too old -- need >= 4.03; See INSTALL for details" 1>&2
         exit 1
         ;;
 esac
diff --git a/opam b/opam
index bb5a53f9..0f1ab4e8 100644
--- a/opam
+++ b/opam
@@ -21,7 +21,7 @@ remove: [
 ]
 flags: light-uninstall
 depends: [
-  "ocaml" {>= "4.02.0"}
+  "ocaml" {>= "4.03"}
   "ocamlfind" {build}
   "easy-format"
   "ulex"