diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0a44859..442c02d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
     - 
       name: Verify Curl
       run: |
-        docker run -t justdanz/curl-http3 curl --version | grep "curl 8.4.0"
+        docker run -t justdanz/curl-http3 curl --version | grep "curl 8.5.0"
 
     - 
       name: Verify Brotli support
diff --git a/Dockerfile b/Dockerfile
index d5ec7d2..df5d68c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,7 +41,7 @@ RUN cd .. \
     && make install
 
 RUN cd .. \
-    && git clone --depth 1 -b curl-8_4_0 https://github.com/curl/curl \
+    && git clone --depth 1 -b curl-8_5_0 https://github.com/curl/curl \
     && cd curl \
     && autoreconf -fi \
     && export PKG_CONFIG_PATH=/usr/local/openssl/lib/pkgconfig:/usr/local/nghttp3/lib/pkgconfig:/usr/local/ngtcp2/lib/pkgconfig \
diff --git a/Makefile b/Makefile
index 390ceac..32dd668 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 test:
-	docker run -t justdanz/curl-http3 curl --version | grep "curl 8.4.0"
+	docker run -t justdanz/curl-http3 curl --version | grep "curl 8.5.0"
 	docker run --rm justdanz/curl-http3 curl -sIL https://httpbin.org/brotli | grep -i 'content-encoding: br'
 	docker run --rm justdanz/curl-http3 curl -sIL https://blog.cloudflare.com --http3 -H 'user-agent: mozilla' | grep 'HTTP/3'