diff --git a/.travis.yml b/.travis.yml
index 24a91b203..7c967c13c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ before_install:
         - sudo apt-get -qq update
         - sudo apt-get install -y nasm texinfo libmpfr-dev libmpc-dev libgmp-dev libisl-dev
         - sed -i 's/git@github.com:/https:\/\/github.com\//' .gitmodules
-        - git submodule update --init --recursive
+        - git submodule update --init --recursive --depth=50
 script:
         - ./configure
         - wget https://www.lankes.org/deploy/bzImage