diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2109de2..21e6fe9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,7 +9,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- `JNI_VERSION_9`, `JNI_VERSION_10`, `JNI_VERSION_19`, `JNI_VERSION_20` and `JNI_VERSION_21` constants
 - GetModule was added to `JNINativeInterface` ([#22](https://github.com/jni-rs/jni-sys/pull/22))
+- IsVirtualThread was added to `JNINativeInterface` ([#32](https://github.com/jni-rs/jni-sys/pull/32))
 
 ### Fixed
 
diff --git a/src/lib.rs b/src/lib.rs
index c53ea94..8b73665 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1306,6 +1306,9 @@ pub struct JNINativeInterface_ {
         unsafe extern "system" fn(env: *mut JNIEnv, obj: jobject) -> jobjectRefType,
     #[jni_added("9")]
     pub GetModule: unsafe extern "system" fn(env: *mut JNIEnv, clazz: jclass) -> jobject,
+
+    #[jni_added("19")]
+    pub IsVirtualThread: unsafe extern "system" fn(env: *mut JNIEnv, obj: jobject) -> jboolean,
 }
 
 #[repr(C)]
diff --git a/tests/jni-to-union.rs b/tests/jni-to-union.rs
index 4da7301..1d19c60 100644
--- a/tests/jni-to-union.rs
+++ b/tests/jni-to-union.rs
@@ -40,7 +40,7 @@ fn jni_to_union() {
     );
 }
 
-const NUM_JNI_ENV_MEMBERS: usize = 234;
+const NUM_JNI_ENV_MEMBERS: usize = 235;
 #[test]
 fn jni_env_union() {
     assert_eq!(