diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index e35a4a7..eeb290f 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -37,7 +37,7 @@ WORKDIR /usr/src
 # renovate: datasource=github-tags depName=ada-url/ada
 ENV LIBADA_VERSION=v3.4.3
 # renovate: datasource=github-tags depName=nodejs/llhttp
-ENV LLHTTP_VERSION=v9.3.1
+ENV LLHTTP_VERSION=v9.4.1
 # renovate: datasource=github-tags depName=nanodbc/nanodbc
 ENV NANODBC_VERSION=v2.14.0
 # renovate: datasource=github-releases depName=libressl/portable
diff --git a/.github/actions/install-dependencies/action.yml b/.github/actions/install-dependencies/action.yml
index cbb1f0d..5aae829 100644
--- a/.github/actions/install-dependencies/action.yml
+++ b/.github/actions/install-dependencies/action.yml
@@ -32,7 +32,7 @@ runs:
         # renovate: datasource=github-tags depName=ada-url/ada
         LIBADA_VERSION: v3.4.3
         # renovate: datasource=github-tags depName=nodejs/llhttp
-        LLHTTP_VERSION: v9.3.1
+        LLHTTP_VERSION: v9.4.1
         # renovate: datasource=github-tags depName=nanodbc/nanodbc
         NANODBC_VERSION: v2.14.0
         # renovate: datasource=github-releases depName=libressl/portable