diff --git a/akshare/__init__.py b/akshare/__init__.py
index 7bf802b0d70..a27a11e50ed 100644
--- a/akshare/__init__.py
+++ b/akshare/__init__.py
@@ -2960,9 +2960,10 @@
 1.15.48 fix: fix stock_mda_ym interface
 1.15.49 fix: fix option_dce_daily interface
 1.15.50 fix: fix stock_gpzy_profile_em interface
+1.15.51 fix: fix stock_gpzy_pledge_ratio_em interface
 """
 
-__version__ = "1.15.50"
+__version__ = "1.15.51"
 __author__ = "AKFamily"
 
 import sys
diff --git a/docs/changelog.md b/docs/changelog.md
index 5e53dc90add..7f5bd76dfb7 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -80,6 +80,10 @@
 
 ## 更新说明详情
 
+1.15.51 fix: fix stock_gpzy_pledge_ratio_em interface
+
+	1. 修复 stock_gpzy_pledge_ratio_em 接口
+
 1.15.50 fix: fix stock_gpzy_profile_em interface
 
 	1. 修复 stock_gpzy_profile_em 接口
@@ -4869,6 +4873,8 @@
 
 ## 版本更新说明
 
+1.15.51 fix: fix stock_gpzy_pledge_ratio_em interface
+
 1.15.50 fix: fix stock_gpzy_profile_em interface
 
 1.15.49 fix: fix option_dce_daily interface