diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f84b24a10f..982dafbcb0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -159,7 +159,7 @@ jobs:
           # Remove default swig to avoid conflicts.
           sudo apt remove --purge swig swig4.0
           sudo apt-get install -y libpcre2-dev bison
-          git clone https://github.com/swig/swig --branch v4.1.0 --depth 1
+          git clone https://github.com/swig/swig --branch v4.2.1 --depth 1
           cd swig
           mkdir build && cd build
           cmake .. \