diff --git a/.ci/packages/lychee.sh b/.ci/packages/lychee.sh
new file mode 100755
index 00000000..4d053376
--- /dev/null
+++ b/.ci/packages/lychee.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+# SPDX-FileCopyrightText: 2025 Siemens AG
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Author: Michael Adler <michael.adler@siemens.com>
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+. "$SCRIPT_DIR/versions.env"
+
+echo "Installing lychee $LYCHEE_VERSION"
+curl -Ls "https://github.com/lycheeverse/lychee/releases/download/lychee-v${LYCHEE_VERSION}/lychee-x86_64-unknown-linux-musl.tar.gz" |
+    tar --extract --gzip --directory=/usr/local/bin lychee
diff --git a/.ci/packages/markdown-link-check.sh b/.ci/packages/markdown-link-check.sh
deleted file mode 100755
index 84d82ce0..00000000
--- a/.ci/packages/markdown-link-check.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-# SPDX-FileCopyrightText: 2024 Siemens AG
-#
-# SPDX-License-Identifier: Apache-2.0
-#
-# Author: Michael Adler <michael.adler@siemens.com>
-set -euo pipefail
-
-SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-
-. "$SCRIPT_DIR/versions.env"
-
-echo "Installing markdown-link-check $MARKDOWN_LINK_CHECK_VERSION"
-npm install -g "markdown-link-check@${MARKDOWN_LINK_CHECK_VERSION}"
diff --git a/.ci/packages/versions.env b/.ci/packages/versions.env
index d8d89700..1ec4a6e9 100644
--- a/.ci/packages/versions.env
+++ b/.ci/packages/versions.env
@@ -9,6 +9,6 @@ export PANDOC_VERSION=3.2 # github-releases/jgm/pandoc&versioning=semver
 export STATICCHECK_VERSION=2024.1.1 # github-releases/dominikh/go-tools&versioning=loose
 export SWAGGER_VERSION=0.31.0 # github-releases/go-swagger/go-swagger&versioning=semver
 export ZIG_VERSION=0.13.0 # github-releases/ziglang/zig&versioning=semver
-export MARKDOWN_LINK_CHECK_VERSION=3.12.2 # github-releases/tcort/markdown-link-check&versioning=semver
+export LYCHEE_VERSION=0.18.0 # github-releases/lycheeverse/lychee&versioning=semver
 export SYFT_VERSION=1.18.1 # github-releases/anchore/syft&versioning=semver
 export OAPI_CODEGEN_VERSION=2.4.1 # github-releases/oapi-codegen/oapi-codegen&versioning=semver
diff --git a/.ci/setup-pages.sh b/.ci/setup-pages.sh
index a8f9573f..95cae2e8 100755
--- a/.ci/setup-pages.sh
+++ b/.ci/setup-pages.sh
@@ -9,4 +9,4 @@ apt-get install -q -y --no-install-recommends npm imagemagick librsvg2-bin
 "$SCRIPT_DIR/packages/hugo.sh"
 "$SCRIPT_DIR/packages/just.sh"
 "$SCRIPT_DIR/packages/pandoc.sh"
-"$SCRIPT_DIR/packages/markdown-link-check.sh"
+"$SCRIPT_DIR/packages/lychee.sh"
diff --git a/.markdown-link-check.json b/.markdown-link-check.json
deleted file mode 100644
index bf4220f2..00000000
--- a/.markdown-link-check.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-  "ignorePatterns": [
-    {
-      "pattern": "^http://127.0.0.1"
-    },
-    {
-      "pattern": "^http://localhost"
-    }
-  ],
-  "timeout": "10s",
-  "retryOn429": true,
-  "retryCount": 5,
-  "fallbackRetryDelay": "30s",
-  "aliveStatusCodes": [200, 206]
-}
diff --git a/justfile b/justfile
index 6bdf5932..9522acb8 100644
--- a/justfile
+++ b/justfile
@@ -248,6 +248,6 @@ sqlite-generate-schema name:
 
 # Check links used in Markdown files.
 check-md-links:
-    git ls-files "*.md" | xargs -n1 markdown-link-check --config .markdown-link-check.json
+    git ls-files -z "*.md" | xargs -0 lychee
 
 # vim: ts=4 sw=4 expandtab
diff --git a/lychee.toml b/lychee.toml
new file mode 100644
index 00000000..a4b4ce07
--- /dev/null
+++ b/lychee.toml
@@ -0,0 +1,8 @@
+# SPDX-FileCopyrightText: 2025 Siemens AG
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Author: Michael Adler <michael.adler@siemens.com>
+no_progress = true
+exclude_loopback = true
+accept = ["200..=204", "429"]
diff --git a/shell.nix b/shell.nix
index d3d888ef..e2770d37 100644
--- a/shell.nix
+++ b/shell.nix
@@ -15,10 +15,10 @@ mkShell {
     htmltest
 
     nodePackages.sql-formatter
-    nodePackages.markdown-link-check
     nodePackages.prettier
     nodePackages.markdownlint-cli
     shfmt
+    lychee
 
     go-swagger
     golangci-lint