diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 29e8be2ac23..56dd3edcc39 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -365,7 +365,7 @@ jobs:
       ovpnlibdesc: mbed TLS 4.
       # versioning=semver-coerced
       ghrepo: Mbed-TLS/mbedtls
-      gitref: v4.0.0
+      gitref: v4.2.0
       libconfigure: cmake -B build -DCMAKE_INSTALL_PREFIX=$LIBPREFIX
       libmake: cmake --build build
       libinstall: sudo cmake --install build