diff --git a/Cargo.lock b/Cargo.lock
index 444b853..c479f3f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -481,7 +481,7 @@ checksum = "a6cb138bb79a146c1bd460005623e142ef0181e3d0219cb493e02f7d08a35695"
 
 [[package]]
 name = "jcz"
-version = "0.2.3"
+version = "0.2.4"
 dependencies = [
  "argon2",
  "assert_cmd",
diff --git a/Cargo.toml b/Cargo.toml
index db141f2..f657f55 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "jcz"
-version = "0.2.3"
+version = "0.2.4"
 edition = "2021"
 authors = ["JCZ Contributors"]
 description = "Just Compress Zip - A unified compression utility"
diff --git a/src/operations/collection.rs b/src/operations/collection.rs
index 9f0d165..ce3c1c2 100644
--- a/src/operations/collection.rs
+++ b/src/operations/collection.rs
@@ -6,6 +6,7 @@ use crate::core::compressor::{Compressor, MultiFileCompressor};
 use crate::core::config::{CollectionConfig, CollectionMode, CompressionConfig, TimestampOption};
 use crate::core::error::{JcError, JcResult};
 use crate::core::types::CompoundFormat;
+use crate::operations::encrypt::encrypt_file;
 use crate::utils::{copy_recursive, create_temp_dir, debug, info, move_file, remove_file_silent};
 
 /// Collect multiple files into a compressed archive
@@ -131,6 +132,13 @@ pub fn collect_and_compress(
         tar_filename
     };
 
+    // Apply encryption if specified
+    let final_output = if let Some(ref encryption_method) = collection_config.base.encryption {
+        encrypt_file(&final_output, encryption_method)?
+    } else {
+        final_output
+    };
+
     // Move to destination or current directory
     let destination = collection_config
         .base