diff --git a/scripts/ynh_install_ruby__2 b/scripts/ynh_install_ruby__2
index df03e07..74de90e 100644
--- a/scripts/ynh_install_ruby__2
+++ b/scripts/ynh_install_ruby__2
@@ -22,8 +22,8 @@ SOURCE_SUM=80ad89ffe04c0b481503bd375f05c212bbc7d44ef5f5e649e0acdf25eba86736" > "
 
   # Build an app.src for ruby-build
   mkdir -p "../conf"
-  echo "SOURCE_URL=https://github.com/rbenv/ruby-build/archive/v20200520.tar.gz
-SOURCE_SUM=52be6908a94fbd4a94f5064e8b19d4a3baa4b773269c3884165518d83bcc8922" > "../conf/ruby-build.src"
+  echo "SOURCE_URL=https://github.com/rbenv/ruby-build/archive/v20201225.tar.gz
+SOURCE_SUM=54cae123c2758e7714c66aca7ef8bc7f29cda8583891191ceb3053c6d098ecf1" > "../conf/ruby-build.src"
   # Download and extract ruby-build
   ynh_setup_source "$rbenv_install_dir/plugins/ruby-build" ruby-build