diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 949c432..11c5d7d 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -24,6 +24,11 @@ updates:
     Extensions:
       patterns:
         - "Microsoft.Extensions*"
+      exclude-patterns:
+        - "Microsoft.Extensions.AI*"
+    ExtensionsAI:
+      patterns:
+        - "Microsoft.Extensions.AI*"
     Web:
       patterns:
         - "Microsoft.AspNetCore*"
diff --git a/.netconfig b/.netconfig
index d4e4480..9015907 100644
--- a/.netconfig
+++ b/.netconfig
@@ -35,9 +35,9 @@
 	weak
 [file ".github/dependabot.yml"]
 	url = https://github.com/devlooped/oss/blob/main/.github/dependabot.yml
-	sha = 917ff5486e25bec90038e7ab6d146fd82c61f846
+	sha = e733294084fb3e75d517a2e961e87df8faae7dc6
 
-	etag = 50bf50df5a6eeb1705baea50f4c6e06d167a89cb5a590887ff939bd4120bd442
+	etag = 3bf8d9214a15c049ca5cfe80d212a8cbe4753b8a638a9804ef73d34c7def9618
 	weak
 [file ".github/release.yml"]
 	url = https://github.com/devlooped/oss/blob/main/.github/release.yml
@@ -119,9 +119,9 @@
 	weak
 [file "src/Directory.Build.props"]
 	url = https://github.com/devlooped/oss/blob/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/blob/main/src/Directory.Build.targets
diff --git a/readme.md b/readme.md
index 8bbcdf9..e4e4b26 100644
--- a/readme.md
+++ b/readme.md
@@ -46,7 +46,6 @@ Extensions for [Microsoft.Extensions.AI](https://nuget.org/packages/Microsoft.Ex
 [![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>