diff --git a/.travis.yml b/.travis.yml
index 2825a15b90..481f8fea88 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,15 +12,15 @@ matrix:
       if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
 
     - env: TARGET=x86_64-unknown-linux-gnu
-      rust: nightly-2018-12-06
+      rust: nightly
       if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
 
     - env: TARGET=thumbv6m-none-eabi
-      rust: nightly-2018-12-06
+      rust: nightly
       if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
 
     - env: TARGET=thumbv7m-none-eabi
-      rust: nightly-2018-12-06
+      rust: nightly
       if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
 
 before_install: set -e