diff --git a/CHANGELOG.md b/CHANGELOG.md
index 93d60a11d..6d43377ef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,9 @@
 - Bump Java SDK from v8.57.0 to v8.60.0 ([#2876](https://github.com/getsentry/sentry-unity/pull/2876))
   - [changelog](https://github.com/getsentry/sentry-java/blob/main/CHANGELOG.md#8600)
   - [diff](https://github.com/getsentry/sentry-java/compare/8.57.0...8.60.0)
+ - Bump Cocoa SDK from v9.29.0 to v9.30.1 ([#2875](https://github.com/getsentry/sentry-unity/pull/2875))
+  - [changelog](https://github.com/getsentry/sentry-cocoa/blob/main/CHANGELOG.md#9301)
+  - [diff](https://github.com/getsentry/sentry-cocoa/compare/9.29.0...9.30.1)
 
 ## 4.10.3
 
diff --git a/build/native-sdks.targets b/build/native-sdks.targets
index c095e81b3..cc69718b8 100644
--- a/build/native-sdks.targets
+++ b/build/native-sdks.targets
@@ -29,22 +29,15 @@
   <!--
     Build the Cocoa SDK:
         dotnet msbuild /t:BuildCocoaSDK src/Sentry.Unity
-    Always wipes prior outputs (in package-dev/Plugins/iOS, package-dev/Plugins/macOS
-    and modules/sentry-cocoa/XCFrameworkBuildPath/) and rebuilds from source.
+    Builds from source into temp/sentry-cocoa/<sentry-cocoa commit>/
   -->
   <Target Name="BuildCocoaSDK" Condition="'$(MSBuildProjectName)' == 'Sentry.Unity'">
     <Error Condition="$([MSBuild]::IsOSPlatform('Windows'))" Text="BuildCocoaSDK cannot run on Windows. Use macOS or Linux." />
     <Error Condition="!Exists('$(SentryCocoaRoot)Sentry.xcodeproj')" Text="sentry-cocoa submodule not checked out at $(SentryCocoaRoot). Run: git submodule update --init modules/sentry-cocoa" />
 
-    <Message Importance="High" Text="Building Cocoa SDK from submodule (clean rebuild)." />
+    <Message Importance="High" Text="Building Cocoa SDK from submodule." />
 
-    <!-- Wipe prior outputs -->
-    <RemoveDir Directories="$(SentryCocoaRoot)XCFrameworkBuildPath" ContinueOnError="true" />
-    <RemoveDir Directories="$(SentryiOSArtifactsDestination)" ContinueOnError="true" />
-    <Delete Files="$(SentrymacOSArtifactsDestination)Sentry.dylib" ContinueOnError="true" />
-    <Delete Files="$(SentrymacOSArtifactsDestination)Sentry.dylib.dSYM" ContinueOnError="true" />
-
-    <Exec Command="pwsh &quot;$(RepoRoot)scripts/build-cocoa-sdk.ps1&quot; -CocoaRoot &quot;$(SentryCocoaRoot)&quot; -iOSDestination &quot;$(SentryiOSArtifactsDestination)&quot; -macOSDestination &quot;$(SentrymacOSArtifactsDestination)Sentry.dylib&quot; -Clean" />
+    <Exec Command="pwsh &quot;$(RepoRoot)scripts/build-cocoa-sdk.ps1&quot; -CocoaRoot &quot;$(SentryCocoaRoot)&quot; -iOSDestination &quot;$(SentryiOSArtifactsDestination)&quot; -macOSDestination &quot;$(SentrymacOSArtifactsDestination)Sentry.dylib&quot;" />
 
     <Error Condition="!Exists('$(SentryiOSArtifactsDestination)')" Text="Failed to set up the iOS SDK." />
     <Error Condition="!Exists('$(SentrymacOSArtifactsDestination)Sentry.dylib') Or !Exists('$(SentrymacOSArtifactsDestination)Sentry.dylib.dSYM')" Text="Failed to set up the macOS SDK." />
diff --git a/modules/sentry-cocoa b/modules/sentry-cocoa
index d9df1c4e8..4f135c52a 160000
--- a/modules/sentry-cocoa
+++ b/modules/sentry-cocoa
@@ -1 +1 @@
-Subproject commit d9df1c4e8d8466c7f8b3c56150378927dadf1b8e
+Subproject commit 4f135c52afeeb1d6937eb93824c7ec1cddcaa372
diff --git a/scripts/build-cocoa-sdk.ps1 b/scripts/build-cocoa-sdk.ps1
index 02fa4dfdc..b1e29d6b6 100644
--- a/scripts/build-cocoa-sdk.ps1
+++ b/scripts/build-cocoa-sdk.ps1
@@ -22,14 +22,22 @@ if (-not (Test-Path (Join-Path $CocoaRoot "Sentry.xcodeproj"))) {
     exit 1
 }
 
-# All build artifacts go under XCFrameworkBuildPath/ which is already in sentry-cocoa's .gitignore.
-$buildPath = Join-Path $CocoaRoot "XCFrameworkBuildPath"
+# Build artifacts must live outside the package root so file writes avoid triggering packager resolving
+# Keyed by the sentry-cocoa commit so re-runs reuse the xcframeworks and submodule bumps rebuild.
+$cachePath = Join-Path (Split-Path $PSScriptRoot -Parent) "temp/sentry-cocoa"
+$cocoaCommit = git -C $CocoaRoot rev-parse HEAD
+$buildPath = Join-Path $cachePath $cocoaCommit
 $iOSXcframeworkPath = Join-Path $buildPath "SentryObjC-Dynamic-iOS.xcframework"
 $macOSXcframeworkPath = Join-Path $buildPath "SentryObjC-Dynamic-macOS.xcframework"
 
-if ($Clean -and (Test-Path $buildPath)) {
-    Write-Host "Clean build requested — removing $buildPath" -ForegroundColor Yellow
-    Remove-Item -Path $buildPath -Recurse -Force
+if ($Clean -and (Test-Path $cachePath)) {
+    Write-Host "Clean build requested — removing $cachePath" -ForegroundColor Yellow
+    Remove-Item -Path $cachePath -Recurse -Force
+}
+
+# Prune builds of other sentry-cocoa commits
+if (Test-Path $cachePath) {
+    Get-ChildItem -Path $cachePath -Directory | Where-Object { $_.Name -ne $cocoaCommit } | Remove-Item -Recurse -Force
 }
 
 Write-Host "Building Cocoa SDK from source..." -ForegroundColor Yellow
@@ -44,15 +52,10 @@ try {
         # (SentryObjC + SentryObjCCompat + SentryObjCInternal) into a single self-contained framework,
         # so Unity links/dlopens only one binary. The dynamic slices are arm64-only (no arm64e), so no
         # architecture stripping is needed — unlike the main `Sentry` scheme's Xcode-project build.
-        & ./scripts/build-xcframework-sentryobjc.sh --sdks "iphoneos,iphonesimulator" --variant dynamic
+        & ./scripts/build-xcframework-sentryobjc.sh --sdks "iphoneos,iphonesimulator" --variant dynamic --output-dir $buildPath
         & ./scripts/validate-xcframework-format.sh --xcframework "SentryObjC-Dynamic.xcframework"
         # build-xcframework-sentryobjc.sh outputs to the working directory — move into our build cache
         Move-Item -Path "SentryObjC-Dynamic.xcframework" -Destination $iOSXcframeworkPath -Force
-        # Clean up intermediate archives, keep the final xcframework
-        $archivePath = Join-Path $buildPath "archive"
-        if (Test-Path $archivePath) {
-            Remove-Item -Path $archivePath -Recurse -Force
-        }
     }
 
     $privacyManifest = Join-Path $CocoaRoot "Sources/Resources/PrivacyInfo.xcprivacy"
@@ -99,16 +102,9 @@ try {
 
     if (-not (Test-Path $macOSXcframeworkPath)) {
         Write-Host "Building macOS xcframework..." -ForegroundColor Yellow
-        & ./scripts/build-xcframework-sentryobjc.sh --sdks "macosx" --variant dynamic
+        & ./scripts/build-xcframework-sentryobjc.sh --sdks "macosx" --variant dynamic --output-dir $buildPath
         & ./scripts/validate-xcframework-format.sh --xcframework "SentryObjC-Dynamic.xcframework"
         Move-Item -Path "SentryObjC-Dynamic.xcframework" -Destination $macOSXcframeworkPath -Force
-        # Clean up all remaining build intermediates
-        foreach ($dir in @("archive", "DerivedData")) {
-            $dirPath = Join-Path $buildPath $dir
-            if (Test-Path $dirPath) {
-                Remove-Item -Path $dirPath -Recurse -Force
-            }
-        }
     }
 
     Write-Host "Setting up macOS support..." -ForegroundColor Yellow