diff --git a/.travis.yml b/.travis.yml
index ac6d98b..735f2fd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,13 +16,13 @@ matrix:
     - env: ARCH=i386
       addons:
         apt:
+          update: true
           packages:
             - gcc-multilib
             - g++-multilib
-            - cimg-dev
             - automake  # required for patchelf
       before_script:
-        - sudo -E apt-get install -y libmagic-dev:i386 libjpeg-dev:i386 libpng-dev:i386
+        - sudo -E apt-get install -y libmagic-dev:i386 libjpeg-dev:i386 libpng-dev:i386 cimg-dev
         - find /usr/include -iname cimg.h
 
 install: