diff --git a/.travis.yml b/.travis.yml
index b208e760d95c6..14fb17aeeddca 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -227,9 +227,9 @@ install:
             chmod +x /usr/local/bin/sccache &&
           travis_retry curl -fo /usr/local/bin/stamp https://s3-us-west-1.amazonaws.com/rust-lang-ci2/rust-ci-mirror/2017-03-17-stamp-x86_64-apple-darwin &&
             chmod +x /usr/local/bin/stamp &&
-          travis_retry curl -f http://releases.llvm.org/6.0.0/clang+llvm-6.0.0-x86_64-apple-darwin.tar.xz | tar xJf - &&
-            export CC=`pwd`/clang+llvm-6.0.0-x86_64-apple-darwin/bin/clang &&
-            export CXX=`pwd`/clang+llvm-6.0.0-x86_64-apple-darwin/bin/clang++ &&
+          travis_retry curl -f http://releases.llvm.org/7.0.0/clang+llvm-7.0.0-x86_64-apple-darwin.tar.xz | tar xJf - &&
+            export CC=`pwd`/clang+llvm-7.0.0-x86_64-apple-darwin/bin/clang &&
+            export CXX=`pwd`/clang+llvm-7.0.0-x86_64-apple-darwin/bin/clang++ &&
             export AR=ar
           ;;
     esac
diff --git a/src/ci/docker/dist-i686-linux/Dockerfile b/src/ci/docker/dist-i686-linux/Dockerfile
index 8df49f364a372..b087ea7899f4c 100644
--- a/src/ci/docker/dist-i686-linux/Dockerfile
+++ b/src/ci/docker/dist-i686-linux/Dockerfile
@@ -67,7 +67,7 @@ RUN ./build-gcc.sh
 COPY dist-x86_64-linux/build-python.sh /tmp/
 RUN ./build-python.sh
 
-# Now build LLVM+Clang 6, afterwards configuring further compilations to use the
+# Now build LLVM+Clang 7, afterwards configuring further compilations to use the
 # clang/clang++ compilers.
 COPY dist-x86_64-linux/build-clang.sh /tmp/
 RUN ./build-clang.sh
diff --git a/src/ci/docker/dist-x86_64-linux/Dockerfile b/src/ci/docker/dist-x86_64-linux/Dockerfile
index 0a2dae72f7382..a1a778c2b2c61 100644
--- a/src/ci/docker/dist-x86_64-linux/Dockerfile
+++ b/src/ci/docker/dist-x86_64-linux/Dockerfile
@@ -67,7 +67,7 @@ RUN ./build-gcc.sh
 COPY dist-x86_64-linux/build-python.sh /tmp/
 RUN ./build-python.sh
 
-# Now build LLVM+Clang 6, afterwards configuring further compilations to use the
+# Now build LLVM+Clang 7, afterwards configuring further compilations to use the
 # clang/clang++ compilers.
 COPY dist-x86_64-linux/build-clang.sh /tmp/
 RUN ./build-clang.sh
diff --git a/src/ci/docker/dist-x86_64-linux/build-clang.sh b/src/ci/docker/dist-x86_64-linux/build-clang.sh
index 4595eacb31061..2762f0bf7ec74 100755
--- a/src/ci/docker/dist-x86_64-linux/build-clang.sh
+++ b/src/ci/docker/dist-x86_64-linux/build-clang.sh
@@ -13,7 +13,7 @@ set -ex
 
 source shared.sh
 
-LLVM=6.0.0
+LLVM=7.0.0
 
 mkdir clang
 cd clang
diff --git a/src/ci/docker/scripts/musl.sh b/src/ci/docker/scripts/musl.sh
index fcebfb932474c..11d85471b7c08 100644
--- a/src/ci/docker/scripts/musl.sh
+++ b/src/ci/docker/scripts/musl.sh
@@ -51,7 +51,7 @@ hide_output make clean
 
 cd ..
 
-LLVM=60
+LLVM=70
 
 # may have been downloaded in a previous run
 if [ ! -d libunwind-release_$LLVM ]; then