diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fab4f65..6d1b6e1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -39,6 +39,9 @@ jobs:
             - name: Install llvm
               if: matrix.platform=='windows-latest'
               run: choco install -y llvm
+            - name: Install llvm
+              if: matrix.platform=='ubuntu-16.04'
+              run: sudo apt install llvm libclang-dev
             - name: set environment variables
               if: matrix.platform=='windows-latest'
               run: echo "LIBCLANG_PATH=C:\Program Files\LLVM\bin" >> $GITHUB_ENV