diff --git a/Cargo.lock b/Cargo.lock
index f0199318a..6750f3ee4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5291,7 +5291,7 @@ version = "0.1.0"
 dependencies = [
  "async-trait",
  "paste",
- "rand 0.8.5",
+ "rand 0.9.0",
  "rstest",
  "rusqlite",
  "thiserror 2.0.17",
diff --git a/Cargo.toml b/Cargo.toml
index a42ca3b9f..4fc9bf349 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,7 +48,7 @@ linkify = "0.10.0"
 parse_link_header = "0.4"
 paste = "1.0"
 proc-macro-crate = "3.4.0"
-rand = "0.8"
+rand = "0.9"
 proc-macro2 = "1.0"
 quote = "1.0"
 regex = "1.12"
diff --git a/wp_mobile/src/service/mock_post_service.rs b/wp_mobile/src/service/mock_post_service.rs
index e2113bd27..d9506a751 100644
--- a/wp_mobile/src/service/mock_post_service.rs
+++ b/wp_mobile/src/service/mock_post_service.rs
@@ -73,8 +73,8 @@ fn stress_test_batch_update(
                     format!("<p>Content updated at batch #{}</p>", current_count);
 
                 // Randomize the post status
-                let mut rng = rand::thread_rng();
-                let status_index = rng.gen_range(0..STRESS_TEST_STATUS_VALUES.len());
+                let mut rng = rand::rng();
+                let status_index = rng.random_range(0..STRESS_TEST_STATUS_VALUES.len());
                 post.status = STRESS_TEST_STATUS_VALUES[status_index].clone();
 
                 repo.upsert(conn, db_site, &post)?;
@@ -389,7 +389,7 @@ impl MockPostService {
 
         thread::spawn(move || {
             let repo = PostRepository::<EditContext>::new();
-            let mut rng = rand::thread_rng();
+            let mut rng = rand::rng();
             let mut next_insert_id: i64 = 20000; // Start IDs for inserted posts
 
             // Calculate total weight for operation selection
@@ -412,11 +412,11 @@ impl MockPostService {
                 }
 
                 // Determine batch size for this iteration
-                let batch_size = rng.gen_range(config.min_batch_size..=config.max_batch_size);
+                let batch_size = rng.random_range(config.min_batch_size..=config.max_batch_size);
                 let batch_size = batch_size.min(entity_ids.len() as u32);
 
                 // Choose operation based on weights
-                let roll = rng.gen_range(0..total_weight);
+                let roll = rng.random_range(0..total_weight);
                 let operation = if roll < config.update_weight {
                     StressTestOperation::Update
                 } else if roll < config.update_weight + config.delete_weight {
@@ -429,7 +429,7 @@ impl MockPostService {
 
                 // Select random posts for this batch
                 let batch_indices: Vec<usize> = (0..batch_size)
-                    .map(|_| rng.gen_range(0..entity_ids.len()))
+                    .map(|_| rng.random_range(0..entity_ids.len()))
                     .collect();
 
                 match operation {
@@ -462,7 +462,7 @@ impl MockPostService {
                 }
 
                 // Variable delay between batches
-                let delay_ms = rng.gen_range(config.min_delay_ms..=config.max_delay_ms);
+                let delay_ms = rng.random_range(config.min_delay_ms..=config.max_delay_ms);
                 thread::sleep(Duration::from_millis(delay_ms));
             }
         });