diff --git a/MarkupString.Ansi/MarkupString.Ansi.csproj b/MarkupString.Ansi/MarkupString.Ansi.csproj
index 36b6f05..59d4401 100644
--- a/MarkupString.Ansi/MarkupString.Ansi.csproj
+++ b/MarkupString.Ansi/MarkupString.Ansi.csproj
@@ -12,7 +12,7 @@
          each time one goes out; drop it for a release that removes public API on purpose, and put
          it back straight after. -->
     <EnablePackageValidation>true</EnablePackageValidation>
-    <PackageValidationBaselineVersion>2.9.0</PackageValidationBaselineVersion>
+    <PackageValidationBaselineVersion>2.10.0</PackageValidationBaselineVersion>
     <Description>Terminal styling for MarkupString: colours (16, 256 and truecolor), text attributes and links, an ansi() code parser, and emitters that fold a run's layers into one SGR sequence, HTML span, Pueblo/MXP tag or BBCode tag.</Description>
   </PropertyGroup>
 
diff --git a/MarkupString.Html/MarkupString.Html.csproj b/MarkupString.Html/MarkupString.Html.csproj
index f603c36..f969ff4 100644
--- a/MarkupString.Html/MarkupString.Html.csproj
+++ b/MarkupString.Html/MarkupString.Html.csproj
@@ -12,7 +12,7 @@
          each time one goes out; drop it for a release that removes public API on purpose, and put
          it back straight after. -->
     <EnablePackageValidation>true</EnablePackageValidation>
-    <PackageValidationBaselineVersion>2.9.0</PackageValidationBaselineVersion>
+    <PackageValidationBaselineVersion>2.10.0</PackageValidationBaselineVersion>
     <Description>Raw HTML tag markup for MarkupString — an anchor, a pre, a span — rendered as itself in the HTML, Pueblo and MXP formats and folded into terminal styling elsewhere, with checked construction and tag policies for untrusted input.</Description>
   </PropertyGroup>
 
diff --git a/MarkupString.Mxp/MarkupString.Mxp.csproj b/MarkupString.Mxp/MarkupString.Mxp.csproj
index 7479aa0..5e736a9 100644
--- a/MarkupString.Mxp/MarkupString.Mxp.csproj
+++ b/MarkupString.Mxp/MarkupString.Mxp.csproj
@@ -12,7 +12,7 @@
          each time one goes out; drop it for a release that removes public API on purpose, and put
          it back straight after. -->
     <EnablePackageValidation>true</EnablePackageValidation>
-    <PackageValidationBaselineVersion>2.9.0</PackageValidationBaselineVersion>
+    <PackageValidationBaselineVersion>2.10.0</PackageValidationBaselineVersion>
     <Description>MXP for MarkupString: writes the shared vocabulary — sounds, music, pictures, panes, gauges, status, variables, link expiry, relocation, login prompts — as MXP tags, holding each to what the client said it supports.</Description>
   </PropertyGroup>
 
diff --git a/MarkupString.Pueblo/MarkupString.Pueblo.csproj b/MarkupString.Pueblo/MarkupString.Pueblo.csproj
index 41ec092..6a315ea 100644
--- a/MarkupString.Pueblo/MarkupString.Pueblo.csproj
+++ b/MarkupString.Pueblo/MarkupString.Pueblo.csproj
@@ -12,7 +12,7 @@
          each time one goes out; drop it for a release that removes public API on purpose, and put
          it back straight after. -->
     <EnablePackageValidation>true</EnablePackageValidation>
-    <PackageValidationBaselineVersion>2.9.0</PackageValidationBaselineVersion>
+    <PackageValidationBaselineVersion>2.10.0</PackageValidationBaselineVersion>
     <Description>Pueblo for MarkupString: writes the shared vocabulary — sounds, pictures, panes, clearing the screen, prefetching — in the Pueblo client's own HTML extensions.</Description>
   </PropertyGroup>
 
diff --git a/MarkupString/MarkupString.csproj b/MarkupString/MarkupString.csproj
index efdac4e..0e30442 100644
--- a/MarkupString/MarkupString.csproj
+++ b/MarkupString/MarkupString.csproj
@@ -12,7 +12,7 @@
          each time one goes out; drop it for a release that removes public API on purpose, and put
          it back straight after. -->
     <EnablePackageValidation>true</EnablePackageValidation>
-    <PackageValidationBaselineVersion>2.9.0</PackageValidationBaselineVersion>
+    <PackageValidationBaselineVersion>2.10.0</PackageValidationBaselineVersion>
     <Description>Immutable styled text: a string plus layered markup runs, rendered to ANSI, HTML, Pueblo, MXP, BBCode or plain text through a registry of emitters, and round-tripped through JSON.</Description>
   </PropertyGroup>