diff --git a/README.md b/README.md
index 79a4e53..6146cbf 100644
--- a/README.md
+++ b/README.md
@@ -123,10 +123,8 @@ Install custom optimized binaries
 ./install_binaries.sh
 ```
 
-Install composer and sodium_compat for v3 hidden_service support
+Install sodium_compat for v3 hidden_service support
 ```
-curl -sSL https://github.com/composer/composer/releases/download/1.10.9/composer.phar > /usr/bin/composer && chmod +x /usr/bin/composer
-composer self-update
 cd /var/www && composer install
 ```
 
diff --git a/install_binaries.sh b/install_binaries.sh
index b7a2a5c..6f020f8 100755
--- a/install_binaries.sh
+++ b/install_binaries.sh
@@ -1,6 +1,10 @@
 #!/bin/sh
 set -e
 
+# install composer
+curl -sSL https://github.com/composer/composer/releases/download/2.0.8/composer.phar > /usr/bin/composer && chmod +x /usr/bin/composer
+composer self-update
+
 # initial repository clones
 if [ ! -e libssh2 ]; then
 	git clone https://github.com/libssh2/libssh2