diff --git a/Directory.Build.props b/Directory.Build.props
index e1f4acc37..8c27ee3ec 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -6,8 +6,8 @@
     <CultLibRevision>45c2f4006f5f7dab357426cabd3197e8d0a17f66</CultLibRevision>
     <CultMathRoot Condition="'$(CultMathRoot)' == '' and '$(CULTMATH_ROOT)' != ''">$(CULTMATH_ROOT)</CultMathRoot>
     <CultMathRoot Condition="'$(CultMathRoot)' == ''">$(CultLibRoot)</CultMathRoot>
-    <!-- CultMath: cultmath-unity-v0.2.4 in Packages/manifest.json. -->
-    <CultMathRevision>6d5e2096563a320933b64ddfd6ded8f2e846ac91</CultMathRevision>
+    <!-- CultMath: cultmath-unity-v0.3.0 in Packages/manifest.json. -->
+    <CultMathRevision>614fd445845f6251ee2986707beecea0bb211791</CultMathRevision>
     <GitExecutable Condition="'$(GitExecutable)' == '' and Exists('C:\Program Files\Git\cmd\git.exe')">C:\Program Files\Git\cmd\git.exe</GitExecutable>
     <GitExecutable Condition="'$(GitExecutable)' == ''">git</GitExecutable>
   </PropertyGroup>
diff --git a/Directory.Build.targets b/Directory.Build.targets
index c9c079a6c..809f01c86 100644
--- a/Directory.Build.targets
+++ b/Directory.Build.targets
@@ -18,7 +18,7 @@
   <Target Name="VerifyCultLibRevision"
           BeforeTargets="ResolveProjectReferences"
           Outputs="%(PinnedCultLib.Identity)"
-          Condition="'$(SkipCultLibRevisionCheck)' != 'true' and '@(ProjectReference->AnyHaveMetadataValue('Identity', '$(CultMathRoot)\packages\cultmath\src\CultMath\CultMath.csproj'))' == 'true'">
+          Condition="'$(SkipCultLibRevisionCheck)' != 'true' and '@(ProjectReference->WithMetadataValue('Filename','CultMath'))' != ''">
     <Error Condition="!Exists('%(PinnedCultLib.Root)\%(PinnedCultLib.Project)')"
            Text="%(PinnedCultLib.RootProperty) '%(PinnedCultLib.Root)' does not contain %(PinnedCultLib.Project)." />
     <Exec Command="&quot;$(GitExecutable)&quot; -C &quot;%(PinnedCultLib.Root)&quot; rev-parse HEAD"
diff --git a/Packages/manifest.json b/Packages/manifest.json
index c166932fd..e5e0d240e 100644
--- a/Packages/manifest.json
+++ b/Packages/manifest.json
@@ -54,6 +54,6 @@
     "com.unity.modules.xr": "1.0.0",
     "org.gamecult.caching.unity": "https://github.com/GameCult/CultLib.git?path=/src/GameCult.Unity/Assets/Caching#caching-unity-v1.4.0",
     "org.gamecult.cultlib": "https://github.com/GameCult/CultLib.git?path=/unity/org.gamecult.cultlib#cultlib-unity-v1.0.60",
-    "org.gamecult.cultmath": "https://github.com/GameCult/CultLib.git?path=/packages/cultmath/unity/org.gamecult.cultmath#cultmath-unity-v0.2.4"
+    "org.gamecult.cultmath": "https://github.com/GameCult/CultLib.git?path=/packages/cultmath/unity/org.gamecult.cultmath#cultmath-unity-v0.3.0"
   }
 }
diff --git a/Packages/packages-lock.json b/Packages/packages-lock.json
index 33cb60ccf..69c2afb7c 100644
--- a/Packages/packages-lock.json
+++ b/Packages/packages-lock.json
@@ -272,11 +272,11 @@
       "hash": "45c2f4006f5f7dab357426cabd3197e8d0a17f66"
     },
     "org.gamecult.cultmath": {
-      "version": "https://github.com/GameCult/CultLib.git?path=/packages/cultmath/unity/org.gamecult.cultmath#cultmath-unity-v0.2.4",
+      "version": "https://github.com/GameCult/CultLib.git?path=/packages/cultmath/unity/org.gamecult.cultmath#cultmath-unity-v0.3.0",
       "depth": 0,
       "source": "git",
       "dependencies": {},
-      "hash": "6d5e2096563a320933b64ddfd6ded8f2e846ac91"
+      "hash": "614fd445845f6251ee2986707beecea0bb211791"
     },
     "com.unity.modules.accessibility": {
       "version": "1.0.0",