diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b552a855..0d157f0d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,6 +16,14 @@ jobs:
     name: "build"
     steps:
       - uses: actions/checkout@v4
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy, rustfmt
+      - name: Cache dependencies
+        uses: swatinem/rust-cache@v2
+      - name: Security Audit
+        uses: actions-rust-lang/audit@v1
       - name: Check formatting
         run: cargo fmt --check
       - name: Check clippy
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 86d7841a..31d3e339 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,15 @@
+## v0.7.2-dev
+
+### Ci
+
+- add security audit step
+- enable dependency caching
+- use dtolnay/rust-toolchain for stable environment
+
+### Fix
+
+- **providers**: migrate openai to structured logging
+
 ## v0.7.1 (2025-08-10)
 
 ### Fix
diff --git a/Cargo.lock b/Cargo.lock
index 8ae8a30d..70850d11 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2322,7 +2322,7 @@ checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
 
 [[package]]
 name = "hub"
-version = "0.7.1"
+version = "0.7.2"
 dependencies = [
  "anyhow",
  "async-stream",
diff --git a/src/providers/openai/provider.rs b/src/providers/openai/provider.rs
index 52f611ff..7c82ec2f 100644
--- a/src/providers/openai/provider.rs
+++ b/src/providers/openai/provider.rs
@@ -11,7 +11,7 @@ use axum::http::StatusCode;
 use reqwest::Client;
 use reqwest_streams::*;
 use serde::{Deserialize, Serialize};
-use tracing::info;
+use tracing::error;
 
 #[derive(Serialize, Deserialize, Clone)]
 struct OpenAIChatCompletionRequest {
@@ -101,7 +101,7 @@ impl Provider for OpenAIProvider {
             .send()
             .await
             .map_err(|e| {
-                eprintln!("OpenAI API request error: {e}");
+                error!("OpenAI API request error: {e}");
                 StatusCode::INTERNAL_SERVER_ERROR
             })?;
 
@@ -117,12 +117,12 @@ impl Provider for OpenAIProvider {
                     .await
                     .map(ChatCompletionResponse::NonStream)
                     .map_err(|e| {
-                        eprintln!("OpenAI API response error: {e}");
+                        error!("OpenAI API response error: {e}");
                         StatusCode::INTERNAL_SERVER_ERROR
                     })
             }
         } else {
-            info!(
+            error!(
                 "OpenAI API request error: {}",
                 response.text().await.unwrap()
             );
@@ -143,18 +143,18 @@ impl Provider for OpenAIProvider {
             .send()
             .await
             .map_err(|e| {
-                eprintln!("OpenAI API request error: {e}");
+                error!("OpenAI API request error: {e}");
                 StatusCode::INTERNAL_SERVER_ERROR
             })?;
 
         let status = response.status();
         if status.is_success() {
             response.json().await.map_err(|e| {
-                eprintln!("OpenAI API response error: {e}");
+                error!("OpenAI API response error: {e}");
                 StatusCode::INTERNAL_SERVER_ERROR
             })
         } else {
-            eprintln!(
+            error!(
                 "OpenAI API request error: {}",
                 response.text().await.unwrap()
             );
@@ -175,18 +175,18 @@ impl Provider for OpenAIProvider {
             .send()
             .await
             .map_err(|e| {
-                eprintln!("OpenAI API request error: {e}");
+                error!("OpenAI API request error: {e}");
                 StatusCode::INTERNAL_SERVER_ERROR
             })?;
 
         let status = response.status();
         if status.is_success() {
             response.json().await.map_err(|e| {
-                eprintln!("OpenAI API response error: {e}");
+                error!("OpenAI API response error: {e}");
                 StatusCode::INTERNAL_SERVER_ERROR
             })
         } else {
-            eprintln!(
+            error!(
                 "OpenAI API request error: {}",
                 response.text().await.unwrap()
             );