diff --git a/.chronus/changes/IgnoreGeneratedMetadataInDiffCheck-2026-5-19-20-15-30.md b/.chronus/changes/IgnoreGeneratedMetadataInDiffCheck-2026-5-19-20-15-30.md
new file mode 100644
index 00000000000..756007a808f
--- /dev/null
+++ b/.chronus/changes/IgnoreGeneratedMetadataInDiffCheck-2026-5-19-20-15-30.md
@@ -0,0 +1,8 @@
+---
+# Change versionKind to one of: internal, fix, dependencies, feature, deprecation, breaking
+changeKind: internal
+packages:
+  - "@typespec/http-client-java"
+---
+
+Ignore modifications to META-INF metadata.json files
diff --git a/packages/http-client-java/eng/scripts/Check-GitChanges.ps1 b/packages/http-client-java/eng/scripts/Check-GitChanges.ps1
index f736c17b0d4..dcc96399fcd 100644
--- a/packages/http-client-java/eng/scripts/Check-GitChanges.ps1
+++ b/packages/http-client-java/eng/scripts/Check-GitChanges.ps1
@@ -13,6 +13,7 @@ Set-ConsoleEncoding
 $diffExcludes = @(
     "$packageRoot/package.json"
     "$packageRoot/package-lock.json"
+    "*/src/main/resources/META-INF/*_metadata*.json"
 ) | ForEach-Object { "`":(exclude)$_`"" } | Join-String -Separator ' '
 
 Invoke-LoggedCommand "git -c core.safecrlf=false diff --ignore-space-at-eol --exit-code -- $diffExcludes" -IgnoreExitCode