diff --git a/README.md b/README.md
index 9eca186..30a3fba 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,9 @@ If you only want to use curl tool, unzip apk, extract `libcurl.so` and rename it
 Gradle:
 
 ```gradle
-implementation 'io.github.vvb2060.ndk:curl:8.8.0'
+implementation("io.github.vvb2060.ndk:curl:8.9.1")
+// or LTO version (~35MiB), it does not strip any debug info
+implementation("io.github.vvb2060.ndk:curl:8.9.1-lto-ndk27")
 ```
 
 This library is [Prefab](https://google.github.io/prefab/), so you will need to enable it in your project (Android Gradle Plugin 4.1+):
@@ -71,6 +73,14 @@ target_link_libraries(app curl::curl_static)
 
 ## Version
 
+### 8.9.1
+- curl 8.9.1
+- nghttp2 1.62.1
+- nghttp3 1.4.0
+- ngtcp2 1.6.0
+- add LTO version
+- add riscv64
+
 ### 8.8.0
 - curl 8.8.0 with [my patch](https://github.com/curl/curl/pull/13816)
 - nghttp2 1.62.1