diff --git a/.circleci/config.yml b/.circleci/config.yml
index 72b83a36a3a..4d0722cfb8b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -240,7 +240,7 @@ jobs:
       - run:
           name: Install Rust
           command: |
-            curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain nightly-2019-04-11
+            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain nightly
             export PATH="$HOME/.cargo/bin:$PATH"
             cargo --version
       # Use rust nightly (for singlepass, for now)