diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6b2bf71..2147cbd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -240,10 +240,10 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: install TCC
-      run: apt-get install -y tcc
+      run: sudo apt-get install -y tcc
     - name: compile
       run: >
         tcc -shared -O3 -o libblake3.so \
           -DBLAKE3_NO_SSE2 -DBLAKE3_NO_SSE41 -DBLAKE3_NO_AVX2 -DBLAKE3_NO_AVX512 \
           blake3.c blake3_dispatch.c blake3_portable.c
-      working-directory: ./c
\ No newline at end of file
+      working-directory: ./c