@@ -57,9 +57,9 @@ dev = [
   # Docs
   "aafigure",  # https://launchpad.net/aafigure
   "pillow",  # https://pillow.readthedocs.io/
-  "gp-sphinx==0.0.1a17",  # https://gp-sphinx.git-pull.com/
-  "sphinx-autodoc-argparse==0.0.1a17",  # https://gp-sphinx.git-pull.com/
-  "sphinx-autodoc-api-style==0.0.1a17",
+  "gp-sphinx==0.0.1a18.dev0",  # https://gp-sphinx.git-pull.com/
+  "sphinx-autodoc-argparse==0.0.1a18.dev0",  # https://gp-sphinx.git-pull.com/
+  "sphinx-autodoc-api-style==0.0.1a18.dev0",
   "gp-libs",  # https://gp-libs.git-pull.com/
   "sphinx-autobuild",  # https://sphinx-extensions.readthedocs.io/en/latest/sphinx-autobuild.html
   # Testing
@@ -83,9 +83,9 @@ dev = [
 docs = [
   "aafigure",  # https://launchpad.net/aafigure
   "pillow",  # https://pillow.readthedocs.io/
-  "gp-sphinx==0.0.1a17",  # https://gp-sphinx.git-pull.com/
-  "sphinx-autodoc-argparse==0.0.1a17",  # https://gp-sphinx.git-pull.com/
-  "sphinx-autodoc-api-style==0.0.1a17",
+  "gp-sphinx==0.0.1a18.dev0",  # https://gp-sphinx.git-pull.com/
+  "sphinx-autodoc-argparse==0.0.1a18.dev0",  # https://gp-sphinx.git-pull.com/
+  "sphinx-autodoc-api-style==0.0.1a18.dev0",
   "gp-libs",  # https://gp-libs.git-pull.com/
   "sphinx-autobuild",  # https://sphinx-extensions.readthedocs.io/en/latest/sphinx-autobuild.html
 ]
@@ -113,6 +113,13 @@ lint = [
 requires = ["hatchling"]
 build-backend = "hatchling.build"
 
+[tool.uv]
+# `[DO NOT MERGE]`: gp-sphinx workspace ships on the 0.0.1a18.devN
+# pre-release track until PR git-pull/gp-sphinx#36 is proven
+# end-to-end. uv otherwise refuses to resolve `*.dev0` markers
+# without this allow.
+prerelease = "allow"
+
 [tool.uv.exclude-newer-package]
 # git-pull packages release in lockstep with their workspaces, so a
 # fresh release blocking on the 3-day cooldown blocks every