diff --git a/.circleci/config.yml b/.circleci/config.yml
index dccb1e9d9..454bfe0dd 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -12,6 +12,7 @@ jobs:
             - v4-test-cargo-cache-linux-{{ arch }}-{{ checksum "Cargo.lock" }}
       - run: sudo apt-get install -y cmake
       - run: sudo apt-get install texinfo
+      - run: sudo apt-get install libclang-dev
       - run: make test
       - run: rustup component add rustfmt
       - run: make lint
@@ -34,6 +35,7 @@ jobs:
             - v4-cargo-cache-linux-{{ arch }}-{{ checksum "Cargo.lock" }}
       - run: sudo apt-get install -y cmake
       - run: sudo apt-get install texinfo
+      - run: sudo apt-get install libclang-dev
       - run:
           name: Execute tests
           command: make test
@@ -130,6 +132,8 @@ jobs:
           keys:
             - v4-test-cargo-cache-linux-{{ arch }}-{{ checksum "Cargo.lock" }}-nightly
       - run: sudo apt-get install -y cmake
+      - run: sudo apt-get install texinfo
+      - run: sudo apt-get install libclang-dev
       - run: rustup default nightly
       - run: make test
       - save_cache: