diff --git a/requirements.txt b/requirements.txt
index 2ba8b39..96ae8d2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -172,7 +172,7 @@ grpcio==1.76.0                # gRPC
 torch==2.9.1                  # PyTorch
 sympy==1.14.0                 # 符号计算
 pillow==11.3.0                # 图像处理
-pypdf==6.4.0                  # PDF 处理
+pypdf==6.6.2                  # PDF 处理
 fastembed==0.6.0              # 快速嵌入
 
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