diff --git a/Dockerfile b/Dockerfile
index 38e7c20..6fbe69e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,7 +23,7 @@ RUN cargo install wasm-bindgen-cli --version 0.2.103
 COPY . sdk_signer/
 
 # Clonage du sdk_client au même niveau que sdk_signer
-RUN git clone -b dev4 https://git.4nkweb.com/4nk/sdk_client.git
+RUN git clone -b ext https://git.4nkweb.com/4nk/sdk_client.git
 
 # Build du WebAssembly
 WORKDIR /build/sdk_client