diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9be5bdf3e12..e1c069dc419 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -185,6 +185,7 @@ jobs:
           PROJECTS=("." "examples/decorator" "examples/maturin-starter" "examples/setuptools-rust-starter" "examples/word-count")
           for PROJ in ${PROJECTS[@]}; do
             cargo update --manifest-path "$PROJ/Cargo.toml" -p parking_lot --precise 0.11.0
+            cargo update --manifest-path "$PROJ/Cargo.toml" -p libc --precise 0.2.127
           done
           cargo update -p plotters --precise 0.3.1
           cargo update -p plotters-svg --precise 0.3.1