diff --git a/.ci/build/apt.py b/.ci/build/apt.py
index aa180da..435d94b 100644
--- a/.ci/build/apt.py
+++ b/.ci/build/apt.py
@@ -10,6 +10,6 @@
     "build-essential", "cmake", "ninja-build", "pkg-config", "python3",
     "libboost-dev", "libboost-date-time-dev", "libboost-exception-dev",
     "libboost-log-dev", "libboost-filesystem-dev", "libboost-regex-dev",
-    "libdcmtk-dev", "libicu-dev", "libjsoncpp-dev", "zlib1g-dev",
+    "libdcmtk-dev", "libicu-dev", "libjsoncpp-dev", "libnsl-dev", "zlib1g-dev",
     "pybind11-dev", "python3-pybind11", "python3-dev",
     "libboost-test-dev", "dcmtk"])
diff --git a/.ci/build/post_build.py b/.ci/build/post_build.py
index 76b7707..748ba29 100644
--- a/.ci/build/post_build.py
+++ b/.ci/build/post_build.py
@@ -66,6 +66,5 @@ def prepend_env_path(item, paths):
 os.remove(os.path.join(workspace, "tests", "data", "index.dat"))
 for path in glob.glob(os.path.join(workspace, "tests", "data", "RAW_*.dcm")):
     os.remove(path)
-os.remove(os.path.join(workspace, "tests", "data", "dcmqrscp.config"))
 
 sys.exit(return_code)
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c302dac..7b9a6ef 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,8 +12,8 @@ jobs:
         include:
           - { os: "ubuntu-latest", container: "debian:bullseye", packaging: "apt", python: "python3" }
           - { os: "ubuntu-latest", container: "debian:bookworm", packaging: "apt", cmake_options: "-DCMAKE_CXX_STANDARD=17", python: "python3" }
-          - { os: "ubuntu-latest", container: "ubuntu:focal", packaging: "apt", python: "python3" }
           - { os: "ubuntu-latest", container: "ubuntu:jammy", packaging: "apt", cmake_options: "-DCMAKE_CXX_STANDARD=17", python: "python3" }
+          - { os: "ubuntu-latest", container: "ubuntu:noble", packaging: "apt", cmake_options: "-DCMAKE_CXX_STANDARD=17", python: "python3" }
           - { os: "ubuntu-latest", packaging: "conda", cmake_options: "-DCMAKE_CXX_STANDARD=17", python: "python" }
           # NOTE: macos-latest may run macOS on M1 CPUs for which DCMTK is not compiled.
           - { os: "macos-13", packaging: "conda", cmake_options: "-DCMAKE_CXX_STANDARD=17", python: "python" }