diff --git a/proto/zitadel/admin.proto b/proto/zitadel/admin.proto
index ea183aa3f6..4fce496fe2 100644
--- a/proto/zitadel/admin.proto
+++ b/proto/zitadel/admin.proto
@@ -4887,7 +4887,7 @@ message AddGenericOAuthProviderRequest {
         }
     ];
     string client_secret = 3 [
-        (validate.rules).string = {min_len: 1, max_len: 200},
+        (validate.rules).string = {min_len: 1, max_len: 1000},
         (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {
             example: "\"client-secret\"";
             description: "Client secret generated by the identity provider";
@@ -4954,7 +4954,7 @@ message UpdateGenericOAuthProviderRequest {
     ];
     // client_secret will only be updated if provided
     string client_secret = 4 [
-        (validate.rules).string = {max_len: 200},
+        (validate.rules).string = {max_len: 1000},
         (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {
             example: "\"client-secret\"";
             description: "Client secret will only be updated if provided";
@@ -5025,7 +5025,7 @@ message AddGenericOIDCProviderRequest {
         }
     ];
     string client_secret = 4 [
-        (validate.rules).string = {min_len: 1, max_len: 200},
+        (validate.rules).string = {min_len: 1, max_len: 1000},
         (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {
             example: "\"secret\"";
             description: "secret generated by the identity provider"
@@ -5076,7 +5076,7 @@ message UpdateGenericOIDCProviderRequest {
     ];
     // client_secret will only be updated if provided
     string client_secret = 5 [
-        (validate.rules).string = {max_len: 200},
+        (validate.rules).string = {max_len: 1000},
         (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {
             example: "\"secret\"";
             description: "client secret will only be updated if provided";
diff --git a/proto/zitadel/management.proto b/proto/zitadel/management.proto
index 7741224fa7..9f2e35f2cc 100644
--- a/proto/zitadel/management.proto
+++ b/proto/zitadel/management.proto
@@ -11759,7 +11759,7 @@ message AddGenericOAuthProviderRequest {
         }
     ];
     string client_secret = 3 [
-        (validate.rules).string = {min_len: 1, max_len: 200},
+        (validate.rules).string = {min_len: 1, max_len: 1000},
         (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {
             example: "\"client-secret\"";
             description: "Client secret generated by the identity provider";
@@ -11826,7 +11826,7 @@ message UpdateGenericOAuthProviderRequest {
     ];
     // client_secret will only be updated if provided
     string client_secret = 4 [
-        (validate.rules).string = {max_len: 200},
+        (validate.rules).string = {max_len: 1000},
         (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {
             example: "\"client-secret\"";
             description: "Client secret will only be updated if provided";
@@ -11897,7 +11897,7 @@ message AddGenericOIDCProviderRequest {
         }
     ];
     string client_secret = 4 [
-        (validate.rules).string = {min_len: 1, max_len: 200},
+        (validate.rules).string = {min_len: 1, max_len: 1000},
         (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {
             example: "\"secret\"";
             description: "secret generated by the identity provider"
@@ -11948,7 +11948,7 @@ message UpdateGenericOIDCProviderRequest {
     ];
     // client_secret will only be updated if provided
     string client_secret = 5 [
-        (validate.rules).string = {max_len: 200},
+        (validate.rules).string = {max_len: 1000},
         (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {
             example: "\"secret\"";
             description: "client secret will only be updated if provided";