diff --git a/src/libs/Google.Gemini/Generated/Google.Gemini.Models.GenerateContentRequestServiceTier.g.cs b/src/libs/Google.Gemini/Generated/Google.Gemini.Models.GenerateContentRequestServiceTier.g.cs
index ba83ed5..e411af2 100644
--- a/src/libs/Google.Gemini/Generated/Google.Gemini.Models.GenerateContentRequestServiceTier.g.cs
+++ b/src/libs/Google.Gemini/Generated/Google.Gemini.Models.GenerateContentRequestServiceTier.g.cs
@@ -11,19 +11,19 @@ public enum GenerateContentRequestServiceTier
         /// <summary>
         /// Flex service tier.
         /// </summary>
-        Flex,
+        ServiceTierFlex,
         /// <summary>
         /// Priority service tier.
         /// </summary>
-        Priority,
+        ServiceTierPriority,
         /// <summary>
         /// Standard service tier.
         /// </summary>
-        Standard,
+        ServiceTierStandard,
         /// <summary>
         /// Default service tier, which is standard.
         /// </summary>
-        Unspecified,
+        ServiceTierUnspecified,
     }
 
     /// <summary>
@@ -38,10 +38,10 @@ public static string ToValueString(this GenerateContentRequestServiceTier value)
         {
             return value switch
             {
-                GenerateContentRequestServiceTier.Flex => "flex",
-                GenerateContentRequestServiceTier.Priority => "priority",
-                GenerateContentRequestServiceTier.Standard => "standard",
-                GenerateContentRequestServiceTier.Unspecified => "unspecified",
+                GenerateContentRequestServiceTier.ServiceTierFlex => "SERVICE_TIER_FLEX",
+                GenerateContentRequestServiceTier.ServiceTierPriority => "SERVICE_TIER_PRIORITY",
+                GenerateContentRequestServiceTier.ServiceTierStandard => "SERVICE_TIER_STANDARD",
+                GenerateContentRequestServiceTier.ServiceTierUnspecified => "SERVICE_TIER_UNSPECIFIED",
                 _ => throw new global::System.ArgumentOutOfRangeException(nameof(value), value, null),
             };
         }
@@ -52,10 +52,10 @@ public static string ToValueString(this GenerateContentRequestServiceTier value)
         {
             return value switch
             {
-                "flex" => GenerateContentRequestServiceTier.Flex,
-                "priority" => GenerateContentRequestServiceTier.Priority,
-                "standard" => GenerateContentRequestServiceTier.Standard,
-                "unspecified" => GenerateContentRequestServiceTier.Unspecified,
+                "SERVICE_TIER_FLEX" => GenerateContentRequestServiceTier.ServiceTierFlex,
+                "SERVICE_TIER_PRIORITY" => GenerateContentRequestServiceTier.ServiceTierPriority,
+                "SERVICE_TIER_STANDARD" => GenerateContentRequestServiceTier.ServiceTierStandard,
+                "SERVICE_TIER_UNSPECIFIED" => GenerateContentRequestServiceTier.ServiceTierUnspecified,
                 _ => null,
             };
         }
diff --git a/src/libs/Google.Gemini/Generated/Google.Gemini.Models.ImportFileRequest.g.cs b/src/libs/Google.Gemini/Generated/Google.Gemini.Models.ImportFileRequest.g.cs
index 7455063..99bdd63 100644
--- a/src/libs/Google.Gemini/Generated/Google.Gemini.Models.ImportFileRequest.g.cs
+++ b/src/libs/Google.Gemini/Generated/Google.Gemini.Models.ImportFileRequest.g.cs
@@ -4,7 +4,7 @@
 namespace Google.Gemini
 {
     /// <summary>
-    /// Request for `ImportFile` to import a File API file with a `FileSearchStore`. LINT.IfChange(ImportFileRequest)
+    /// Request for `ImportFile` to import a File API file with a `FileSearchStore`.
     /// </summary>
     public sealed partial class ImportFileRequest
     {
diff --git a/src/libs/Google.Gemini/openapi.json b/src/libs/Google.Gemini/openapi.json
index a0db2db..cf24d80 100644
--- a/src/libs/Google.Gemini/openapi.json
+++ b/src/libs/Google.Gemini/openapi.json
@@ -2795,10 +2795,10 @@
               "Priority service tier."
             ],
             "enum": [
-              "unspecified",
-              "standard",
-              "flex",
-              "priority"
+              "SERVICE_TIER_UNSPECIFIED",
+              "SERVICE_TIER_STANDARD",
+              "SERVICE_TIER_FLEX",
+              "SERVICE_TIER_PRIORITY"
             ]
           },
           "store": {
@@ -6464,7 +6464,7 @@
         }
       },
       "ImportFileRequest": {
-        "description": "Request for `ImportFile` to import a File API file with a `FileSearchStore`. LINT.IfChange(ImportFileRequest)",
+        "description": "Request for `ImportFile` to import a File API file with a `FileSearchStore`.",
         "type": "object",
         "properties": {
           "fileName": {