diff --git a/24/Dockerfile b/24/Dockerfile
index 8ba1ceb..d998116 100644
--- a/24/Dockerfile
+++ b/24/Dockerfile
@@ -18,7 +18,7 @@ RUN corepack enable --install-directory ~/bin && \
 
 # Bun — run TypeScript in CI without a separate compile step (optional for consumers).
 # renovate: datasource=github-releases depName=oven-sh/bun
-ENV BUN_VERSION=1.4.0
+ENV BUN_VERSION=1.4.2
 ENV BUN_INSTALL=/usr/local/bun
 ENV PATH="${BUN_INSTALL}/bin:${PATH}"
 RUN sudo mkdir -p "${BUN_INSTALL}" && sudo chown circleci:circleci "${BUN_INSTALL}" && \
diff --git a/26/Dockerfile b/26/Dockerfile
index 72ca9c5..da38ba6 100644
--- a/26/Dockerfile
+++ b/26/Dockerfile
@@ -17,7 +17,7 @@ RUN pnpm config set store-dir .pnpm-store
 
 # Bun — run TypeScript in CI without a separate compile step (optional for consumers).
 # renovate: datasource=github-releases depName=oven-sh/bun
-ENV BUN_VERSION=1.4.0
+ENV BUN_VERSION=1.4.2
 ENV BUN_INSTALL=/usr/local/bun
 ENV PATH="${BUN_INSTALL}/bin:${PATH}"
 RUN sudo mkdir -p "${BUN_INSTALL}" && sudo chown circleci:circleci "${BUN_INSTALL}" && \