diff --git a/Makefile b/Makefile
index f66ee1fd..ecfd7623 100644
--- a/Makefile
+++ b/Makefile
@@ -101,6 +101,7 @@ check-event-features:
 	cargo test --package aws_lambda_events --no-default-features --features rabbitmq
 	cargo test --package aws_lambda_events --no-default-features --features s3
 	cargo test --package aws_lambda_events --no-default-features --features s3_batch_job
+	cargo test --package aws_lambda_events --no-default-features --features secretsmanager
 	cargo test --package aws_lambda_events --no-default-features --features ses
 	cargo test --package aws_lambda_events --no-default-features --features sns
 	cargo test --package aws_lambda_events --no-default-features --features sqs
diff --git a/lambda-events/Cargo.toml b/lambda-events/Cargo.toml
index 894b236f..c6556b64 100644
--- a/lambda-events/Cargo.toml
+++ b/lambda-events/Cargo.toml
@@ -75,6 +75,7 @@ default = [
   "s3",
   "s3_batch_job",
   "ses",
+  "secretsmanager",
   "sns",
   "sqs",
   "streams",
@@ -119,6 +120,7 @@ lex = []
 rabbitmq = []
 s3 = ["bytes", "chrono", "http", "http-body", "http-serde"]
 s3_batch_job = ["s3"]
+secretsmanager = []
 ses = ["chrono"]
 sns = ["chrono", "serde_with"]
 sqs = ["serde_with"]
diff --git a/lambda-events/src/event/mod.rs b/lambda-events/src/event/mod.rs
index ea0ca7df..d63acc4d 100644
--- a/lambda-events/src/event/mod.rs
+++ b/lambda-events/src/event/mod.rs
@@ -133,6 +133,10 @@ pub mod rabbitmq;
 #[cfg(feature = "s3")]
 pub mod s3;
 
+/// AWS Lambda event definitions for secretsmanager.
+#[cfg(feature = "secretsmanager")]
+pub mod secretsmanager;
+
 /// AWS Lambda event definitions for ses.
 #[cfg(feature = "ses")]
 pub mod ses;
diff --git a/lambda-events/src/event/secretsmanager/mod.rs b/lambda-events/src/event/secretsmanager/mod.rs
new file mode 100644
index 00000000..3ed8d238
--- /dev/null
+++ b/lambda-events/src/event/secretsmanager/mod.rs
@@ -0,0 +1,24 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Eq, PartialEq, Deserialize, Serialize)]
+#[serde(rename_all = "PascalCase")]
+pub struct SecretsManagerSecretRotationEvent {
+    pub step: String,
+    pub secret_id: String,
+    pub client_request_token: String,
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    #[cfg(feature = "secretsmanager")]
+    fn example_secretsmanager_secret_rotation_event() {
+        let data = include_bytes!("../../fixtures/example-secretsmanager-secret-rotation-event.json");
+        let parsed: SecretsManagerSecretRotationEvent = serde_json::from_slice(data).unwrap();
+        let output: String = serde_json::to_string(&parsed).unwrap();
+        let reparsed: SecretsManagerSecretRotationEvent = serde_json::from_slice(output.as_bytes()).unwrap();
+        assert_eq!(parsed, reparsed);
+    }
+}
diff --git a/lambda-events/src/fixtures/example-secretsmanager-secret-rotation-event.json b/lambda-events/src/fixtures/example-secretsmanager-secret-rotation-event.json
new file mode 100644
index 00000000..f137ddbc
--- /dev/null
+++ b/lambda-events/src/fixtures/example-secretsmanager-secret-rotation-event.json
@@ -0,0 +1,5 @@
+{
+    "Step": "createSecret",
+    "SecretId": "arn:aws:secretsmanager:us-east-1:111122223333:secret:id-ABCD1E",
+    "ClientRequestToken": "1ab23456-cde7-8912-34fg-h56i78j9k12l"
+}
diff --git a/lambda-events/src/lib.rs b/lambda-events/src/lib.rs
index 4fd294e6..e21cdc13 100644
--- a/lambda-events/src/lib.rs
+++ b/lambda-events/src/lib.rs
@@ -153,6 +153,10 @@ pub use event::s3;
 #[cfg(feature = "s3")]
 pub use event::s3::batch_job as s3_batch_job;
 
+/// AWS Lambda event definitions for secretsmanager.
+#[cfg(feature = "secretsmanager")]
+pub use event::secretsmanager;
+
 /// AWS Lambda event definitions for ses.
 #[cfg(feature = "ses")]
 pub use event::ses;