From 1d3720f16513998d6ac7883766f1a828e94d0741 Mon Sep 17 00:00:00 2001
From: Marcin Kaciuba <aldor007@gmail.com>
Date: Thu, 10 Jan 2019 17:18:11 +0100
Subject: [PATCH] Update .travis.yml

---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index ae1ba3d..d05648d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,6 +31,7 @@ addons:
       - gtk-doc
 
 install:
+  - sudo apt-get install gtk-doc-tools -y
   - wget https://github.com/libvips/libvips/archive/v$LIBVIPS.zip
   - unzip v$LIBVIPS
   - cd libvips-$LIBVIPS