diff --git a/README.md b/README.md
index 9e11812..13b2fd2 100644
--- a/README.md
+++ b/README.md
@@ -348,6 +348,7 @@ See also git tags: https://github.com/jedie/manageprojects/tags
 [comment]: <> (✂✂✂ auto generated history start ✂✂✂)
 
 * [v0.20.0](https://github.com/jedie/manageprojects/compare/v0.19.2...v0.20.0)
+  * 2024-11-11 - Bugfix publish: Add "build" dep.
   * 2024-11-11 - Bugfix publish command: Add missing "setuptools" dep.
   * 2024-11-11 - Switch to uv
   * 2024-09-25 - Add: test_pre_commit_hooks()
diff --git a/pyproject.toml b/pyproject.toml
index 635180c..9e05f7b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,6 +42,7 @@ dev = [
     "urllib3", # for deny_requests.deny_any_real_request() in tests
     "uv",  # https://github.com/astral-sh/uv
     "setuptools",  # https://github.com/pypa/setuptools
+    "build",  # https://github.com/pypa/build
     "tox",  # https://github.com/tox-dev/tox
     "tox-uv",  # https://github.com/tox-dev/tox-uv
     "coverage",  # https://github.com/nedbat/coveragepy
diff --git a/uv.lock b/uv.lock
index b186bdd..90ff0c7 100644
--- a/uv.lock
+++ b/uv.lock
@@ -114,6 +114,20 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/3f/02/6389ef0529af6da0b913374dedb9bbde8eabfe45767ceec38cc37801b0bd/boolean.py-4.0-py3-none-any.whl", hash = "sha256:2876f2051d7d6394a531d82dc6eb407faa0b01a0a0b3083817ccd7323b8d96bd", size = 25909 },
 ]
 
+[[package]]
+name = "build"
+version = "1.2.2.post1"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "colorama", marker = "os_name == 'nt'" },
+    { name = "packaging" },
+    { name = "pyproject-hooks" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/7d/46/aeab111f8e06793e4f0e421fcad593d547fb8313b50990f31681ee2fb1ad/build-1.2.2.post1.tar.gz", hash = "sha256:b36993e92ca9375a219c99e606a122ff365a760a2d4bba0caa09bd5278b608b7", size = 46701 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/84/c2/80633736cd183ee4a62107413def345f7e6e3c01563dbca1417363cf957e/build-1.2.2.post1-py3-none-any.whl", hash = "sha256:1d61c0887fa860c01971625baae8bdd338e517b836a2f70dd1f7aa3a6b2fc5b5", size = 22950 },
+]
+
 [[package]]
 name = "bx-py-utils"
 version = "105"
@@ -724,6 +738,7 @@ dependencies = [
 dev = [
     { name = "autopep8" },
     { name = "backports-tarfile" },
+    { name = "build" },
     { name = "bx-py-utils" },
     { name = "codespell" },
     { name = "coverage" },
@@ -771,6 +786,7 @@ requires-dist = [
 dev = [
     { name = "autopep8" },
     { name = "backports-tarfile" },
+    { name = "build" },
     { name = "bx-py-utils" },
     { name = "codespell" },
     { name = "coverage" },
@@ -1183,6 +1199,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/ba/f4/3c4ddfcc0c19c217c6de513842d286de8021af2f2ab79bbb86c00342d778/pyproject_api-1.8.0-py3-none-any.whl", hash = "sha256:3d7d347a047afe796fd5d1885b1e391ba29be7169bd2f102fcd378f04273d228", size = 13100 },
 ]
 
+[[package]]
+name = "pyproject-hooks"
+version = "1.2.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/e7/82/28175b2414effca1cdac8dc99f76d660e7a4fb0ceefa4b4ab8f5f6742925/pyproject_hooks-1.2.0.tar.gz", hash = "sha256:1e859bd5c40fae9448642dd871adf459e5e2084186e8d2c2a79a824c970da1f8", size = 19228 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/bd/24/12818598c362d7f300f18e74db45963dbcb85150324092410c8b49405e42/pyproject_hooks-1.2.0-py3-none-any.whl", hash = "sha256:9e5c6bfa8dcc30091c74b0cf803c81fdd29d94f01992a7707bc97babb1141913", size = 10216 },
+]
+
 [[package]]
 name = "python-dateutil"
 version = "2.9.0.post0"