diff --git a/Dockerfile b/Dockerfile
index 54d364d..fdc4bc9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ LABEL org.opencontainers.image.source=https://github.com/qiandao-today/pycurl-do
 
 # Envirenment for pycurl
 ENV PYCURL_SSL_LIBRARY=openssl
-ENV CURL_VERSION 7.80.0
+ENV CURL_VERSION 7.81.0
 
 # 换源 & For nghttp2-dev, we need testing respository.
 RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories && \
diff --git a/README.md b/README.md
index 231cc3b..8e9fd27 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ docker pull a76yyyy/pycurl:latest
 ## **VERSION**
 
 - PYTHON_VERSION == 3.9
-- CURL_VERSION == 7.80.0
+- CURL_VERSION == 7.81.0
 - OPENSSL_VERSION == 1_1_1m+quic
 - PYCURL_VERSION == 7.44.1