diff --git a/.circleci/config.yml b/.circleci/config.yml
index 94e3e170..6805c285 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -10,6 +10,7 @@ commands:
             if [ ! -d /home/circleci/.cargo ]; then
               curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
             fi
+            source ~/.cargo/env
             rustup toolchain install $RUST_VERSION
             rustup default $RUST_VERSION
             rustup target add wasm32-unknown-unknown --toolchain=$RUST_VERSION