diff --git a/.netconfig b/.netconfig
index 59d2a2d..c7cbcf5 100644
--- a/.netconfig
+++ b/.netconfig
@@ -12,9 +12,9 @@
 	weak
 [file "src/Directory.Build.props"]
 	url = https://github.com/devlooped/oss/tree/main/src/Directory.Build.props
-	sha = 2fff747a9673b499c99f2da183cdd5263fdc9333
+	sha = 81d972fd0760c244d134dae7f4b17d6c43cb004a
 
-	etag = 0fccddf04f282fe98122ab2610dc2972c205a521254559bf013655c6271b0017
+	etag = 1368697c1521e465a1dea88b93787b1c7def441c37d62afc903fb8d07179e4f6
 	weak
 [file "src/Directory.Build.targets"]
 	url = https://github.com/devlooped/oss/tree/main/src/Directory.Build.targets
diff --git a/readme.md b/readme.md
index 20ad9bb..f19ce12 100644
--- a/readme.md
+++ b/readme.md
@@ -127,7 +127,6 @@ static class Prompts
 [![Justin Wendlandt](https://raw.githubusercontent.com/devlooped/sponsors/main/.github/avatars/jwendl.png "Justin Wendlandt")](https://github.com/jwendl)
 [![Adrian Alonso](https://raw.githubusercontent.com/devlooped/sponsors/main/.github/avatars/adalon.png "Adrian Alonso")](https://github.com/adalon)
 [![Michael Hagedorn](https://raw.githubusercontent.com/devlooped/sponsors/main/.github/avatars/Eule02.png "Michael Hagedorn")](https://github.com/Eule02)
-[![Matt Frear](https://raw.githubusercontent.com/devlooped/sponsors/main/.github/avatars/mattfrear.png "Matt Frear")](https://github.com/mattfrear)
 
 
 <!-- sponsors.md -->
diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index b0b9d94..b24450d 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -126,6 +126,8 @@
     <_VersionLabel>$(_VersionLabel.Replace('/merge', ''))</_VersionLabel>
     <!-- Finally sanitize the branch with dashes, so we can build path-separated branches, like rel/v1.0.0 or feature/foo -->
     <_VersionLabel>$(_VersionLabel.Replace('/', '-'))</_VersionLabel>
+    <!-- And underscores which are also invalid labels, so we can use branches like dev/feature_foo -->
+    <_VersionLabel>$(_VersionLabel.Replace('_', '-'))</_VersionLabel>
 
     <!-- Set sanitized version to the actual version suffix used in build/pack -->
     <VersionSuffix Condition="!$(VersionLabel.Contains('refs/tags/'))">$(_VersionLabel)</VersionSuffix>