diff --git a/install_binaries.sh b/install_binaries.sh
index 3ac9a98..40c2a81 100755
--- a/install_binaries.sh
+++ b/install_binaries.sh
@@ -1759,7 +1759,7 @@ cd ..
 ldconfig
 
 # install composer
-curl -sSL https://github.com/composer/composer/releases/download/2.1.8/composer.phar > /usr/bin/composer
+curl -sSL https://github.com/composer/composer/releases/download/2.1.9/composer.phar > /usr/bin/composer
 chmod +x /usr/bin/composer
 composer self-update