diff --git a/src/Picqer/Financials/Exact/Connection.php b/src/Picqer/Financials/Exact/Connection.php
index e72267dc..fb814b81 100644
--- a/src/Picqer/Financials/Exact/Connection.php
+++ b/src/Picqer/Financials/Exact/Connection.php
@@ -95,6 +95,11 @@ class Connection
      */
     private $acquireAccessTokenUnlockCallback;
 
+    /**
+     * @var callable(Connection)
+     */
+    private $refreshAccessTokenCallback;
+
     /**
      * @var callable[]
      */
@@ -484,6 +489,14 @@ private function acquireAccessToken()
                 call_user_func($this->acquireAccessTokenLockCallback, $this);
             }
 
+            if (is_callable($this->refreshAccessTokenCallback)) {
+                call_user_func($this->refreshAccessTokenCallback, $this);
+                if (! $this->tokenHasExpired()) {
+                    // the refreshed token has not expired, so we are fine to keep using it
+                    return;
+                }
+            }
+
             // If refresh token not yet acquired, do token request
             if (empty($this->refreshToken)) {
                 $body = [
@@ -632,6 +645,14 @@ public function setTokenUpdateCallback($callback)
         $this->tokenUpdateCallback = $callback;
     }
 
+    /**
+     * @param callable $callback
+     */
+    public function setRefreshAccessTokenCallback($callback)
+    {
+        $this->refreshAccessTokenCallback = $callback;
+    }
+
     /**
      * Parse the reponse in the Exception to return the Exact error messages.
      *