diff --git a/.release-please-manifest-individual.json b/.release-please-manifest-individual.json
index fc639321589d..54fe69b733a1 100644
--- a/.release-please-manifest-individual.json
+++ b/.release-please-manifest-individual.json
@@ -1,7 +1,7 @@
 {
-  "ai": "0.4.1",
+  "ai": "0.5.0",
   "aiplatform": "1.67.0",
-  "auth": "0.4.0",
+  "auth": "0.4.1",
   "auth/oauth2adapt": "0.2.2",
   "bigquery": "1.61.0",
   "bigtable": "1.24.0",
diff --git a/ai/CHANGES.md b/ai/CHANGES.md
index ac5abc56cbce..7d517bee1957 100644
--- a/ai/CHANGES.md
+++ b/ai/CHANGES.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.5.0](https://github.com/googleapis/google-cloud-go/compare/ai/v0.4.1...ai/v0.5.0) (2024-05-09)
+
+
+### Features
+
+* **ai/generativelanguage:** Add FileState to File ([3e25053](https://github.com/googleapis/google-cloud-go/commit/3e250530567ee81ed4f51a3856c5940dbec35289))
+
 ## [0.4.1](https://github.com/googleapis/google-cloud-go/compare/ai/v0.4.0...ai/v0.4.1) (2024-05-01)
 
 
diff --git a/ai/internal/version.go b/ai/internal/version.go
index 120c8a4d3b18..594b0891566c 100644
--- a/ai/internal/version.go
+++ b/ai/internal/version.go
@@ -17,4 +17,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "0.4.1"
+const Version = "0.5.0"
diff --git a/auth/CHANGES.md b/auth/CHANGES.md
index b21ad7171b0c..f1b1a033e88e 100644
--- a/auth/CHANGES.md
+++ b/auth/CHANGES.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.1](https://github.com/googleapis/google-cloud-go/compare/auth/v0.4.0...auth/v0.4.1) (2024-05-09)
+
+
+### Bug Fixes
+
+* **auth:** Don't try to detect default creds it opt configured ([#10143](https://github.com/googleapis/google-cloud-go/issues/10143)) ([804632e](https://github.com/googleapis/google-cloud-go/commit/804632e7c5b0b85ff522f7951114485e256eb5bc))
+
 ## [0.4.0](https://github.com/googleapis/google-cloud-go/compare/auth/v0.3.0...auth/v0.4.0) (2024-05-07)
 
 
diff --git a/auth/grpctransport/grpctransport.go b/auth/grpctransport/grpctransport.go
index 2c03f8a95d87..81c956b030b7 100644
--- a/auth/grpctransport/grpctransport.go
+++ b/auth/grpctransport/grpctransport.go
@@ -216,12 +216,16 @@ func dial(ctx context.Context, secure bool, opts *Options) (*grpc.ClientConn, er
 	// Authentication can only be sent when communicating over a secure connection.
 	if !opts.DisableAuthentication {
 		metadata := opts.Metadata
-		creds, err := credentials.DetectDefault(opts.resolveDetectOptions())
-		if err != nil {
-			return nil, err
-		}
+
+		var creds *auth.Credentials
 		if opts.Credentials != nil {
 			creds = opts.Credentials
+		} else {
+			var err error
+			creds, err = credentials.DetectDefault(opts.resolveDetectOptions())
+			if err != nil {
+				return nil, err
+			}
 		}
 
 		qp, err := creds.QuotaProjectID(ctx)
diff --git a/auth/httptransport/transport.go b/auth/httptransport/transport.go
index aef4663e6ce8..94caeb00f0ab 100644
--- a/auth/httptransport/transport.go
+++ b/auth/httptransport/transport.go
@@ -58,9 +58,15 @@ func newTransport(base http.RoundTripper, opts *Options) (http.RoundTripper, err
 			Key:       opts.APIKey,
 		}
 	default:
-		creds, err := credentials.DetectDefault(opts.resolveDetectOptions())
-		if err != nil {
-			return nil, err
+		var creds *auth.Credentials
+		if opts.Credentials != nil {
+			creds = opts.Credentials
+		} else {
+			var err error
+			creds, err = credentials.DetectDefault(opts.resolveDetectOptions())
+			if err != nil {
+				return nil, err
+			}
 		}
 		qp, err := creds.QuotaProjectID(context.Background())
 		if err != nil {
@@ -72,10 +78,6 @@ func newTransport(base http.RoundTripper, opts *Options) (http.RoundTripper, err
 			}
 			headers.Set(quotaProjectHeaderKey, qp)
 		}
-
-		if opts.Credentials != nil {
-			creds = opts.Credentials
-		}
 		creds.TokenProvider = auth.NewCachedTokenProvider(creds.TokenProvider, nil)
 		trans = &authTransport{
 			base:                 trans,
diff --git a/internal/godocfx/main.go b/internal/godocfx/main.go
index 2b84015bcd3a..516cc7053e78 100644
--- a/internal/godocfx/main.go
+++ b/internal/godocfx/main.go
@@ -290,5 +290,7 @@ language: "go"
 		fmt.Fprintf(w, "stem: \"/appengine/docs/legacy/standard/go111/reference\"\n")
 	case "google.golang.org/appengine/v2":
 		fmt.Fprintf(w, "stem: \"/appengine/docs/standard/go/reference/services/bundled\"\n")
+	case "cloud.google.com/go/vertexai":
+		fmt.Fprintf(w, "stem: \"/vertex-ai/generative-ai/docs/reference/go\"\n")
 	}
 }