diff --git a/rdkafka-sys/Cargo.toml b/rdkafka-sys/Cargo.toml
index c7d6a64f7..e12b0794c 100644
--- a/rdkafka-sys/Cargo.toml
+++ b/rdkafka-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rdkafka-sys"
-version = "4.9.0+2.10.0"
+version = "4.9.0+2.11.0"
 authors = ["Federico Giraud <giraud.federico@gmail.com>"]
 build = "build.rs"
 links = "rdkafka"
diff --git a/rdkafka-sys/changelog.md b/rdkafka-sys/changelog.md
index 8b73e1359..35f5d7240 100644
--- a/rdkafka-sys/changelog.md
+++ b/rdkafka-sys/changelog.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## v4.9.0+2.11.0 (2025-08-27)
+* Bump librdkafka to v2.11.0.
+
 ## v4.9.0+2.10.0
 * Add cargo enforcement of MSRV of 1.74.
 * Bump librdkafka to v2.10.0.
diff --git a/rdkafka-sys/librdkafka b/rdkafka-sys/librdkafka
index c024ac13d..c56a3e684 160000
--- a/rdkafka-sys/librdkafka
+++ b/rdkafka-sys/librdkafka
@@ -1 +1 @@
-Subproject commit c024ac13daf98667de2b8724986e97f489644c15
+Subproject commit c56a3e68483ae33622901988ab9c4085f0785c3c
diff --git a/rdkafka-sys/src/bindings.rs b/rdkafka-sys/src/bindings.rs
index 38a9ba9dd..17a723105 100644
--- a/rdkafka-sys/src/bindings.rs
+++ b/rdkafka-sys/src/bindings.rs
@@ -1,9 +1,9 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.72.0 */
 
 use libc::{c_char, c_int, c_void, sockaddr, FILE};
 use num_enum::TryFromPrimitive;
 
-pub const RD_KAFKA_VERSION: i32 = 34210047;
+pub const RD_KAFKA_VERSION: i32 = 34275583;
 pub const RD_KAFKA_DEBUG_CONTEXTS : & [u8 ; 138] = b"all,generic,broker,topic,metadata,feature,queue,msg,protocol,cgrp,security,fetch,interceptor,plugin,consumer,admin,eos,mock,assignor,conf\0" ;
 pub const RD_KAFKA_DESTROY_F_NO_CONSUMER_CLOSE: i32 = 8;
 pub const RD_KAFKA_OFFSET_BEGINNING: i32 = -2;
@@ -3793,7 +3793,7 @@ extern "C" {
     pub fn rd_kafka_mock_broker_decommission(
         cluster: *mut rd_kafka_mock_cluster_t,
         broker_id: i32,
-    ) -> c_int;
+    ) -> rd_kafka_resp_err_t;
 }
 extern "C" {
     pub fn rd_kafka_mock_broker_add(