diff --git a/.travis.yml b/.travis.yml
index 6e242b74894c5..3c3035ca21bc2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,7 +13,8 @@ matrix:
   include:
     # Images used in testing PR and try-build should be run first.
     - env: IMAGE=x86_64-gnu-llvm-3.9 RUST_BACKTRACE=1
-      if: type = pull_request OR branch = auto
+      #if: type = pull_request OR branch = auto
+      if: branch = auto
 
     - env: IMAGE=dist-x86_64-linux DEPLOY=1
       if: branch = try OR branch = auto
@@ -51,13 +52,13 @@ matrix:
         SRC=.
         RUSTC_RETRY_LINKER_ON_SEGFAULT=1
         SCCACHE_ERROR_LOG=/tmp/sccache.log
-        MACOSX_DEPLOYMENT_TARGET=10.8
+        MACOSX_DEPLOYMENT_TARGET=10.12
         MACOSX_STD_DEPLOYMENT_TARGET=10.7
         NO_LLVM_ASSERTIONS=1
         NO_DEBUG_ASSERTIONS=1
       os: osx
-      osx_image: xcode8.3
-      if: branch = auto
+      osx_image: xcode9.2
+      #if: branch = auto
 
     - env: >
         RUST_CHECK_TARGET=check
@@ -65,13 +66,13 @@ matrix:
         SRC=.
         RUSTC_RETRY_LINKER_ON_SEGFAULT=1
         SCCACHE_ERROR_LOG=/tmp/sccache.log
-        MACOSX_DEPLOYMENT_TARGET=10.8
+        MACOSX_DEPLOYMENT_TARGET=10.12
         MACOSX_STD_DEPLOYMENT_TARGET=10.7
         NO_LLVM_ASSERTIONS=1
         NO_DEBUG_ASSERTIONS=1
       os: osx
-      osx_image: xcode8.3
-      if: branch = auto
+      osx_image: xcode9.2
+      #if: branch = auto
 
     # OSX builders producing releases. These do not run the full test suite and
     # just produce a bunch of artifacts.