diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 365e72a0..8992dcef 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -330,7 +330,7 @@ jobs:
       UBSAN_OPTIONS: print_stacktrace=1
       # versioning=semver-coerced
       LIBRESSL_REPO: libressl/portable
-      LIBRESSL_VERSION: v4.2.1
+      LIBRESSL_VERSION: v4.3.1
       LIBRESSL_INSTALL: /opt/libressl
 
     steps: