diff --git a/lxc-apps/decidim/decidim.image.d/srv/decidim-app/Gemfile b/lxc-apps/decidim/decidim.image.d/srv/decidim-app/Gemfile
index f080365..14be7a7 100644
--- a/lxc-apps/decidim/decidim.image.d/srv/decidim-app/Gemfile
+++ b/lxc-apps/decidim/decidim.image.d/srv/decidim-app/Gemfile
@@ -41,6 +41,7 @@ group :production do
 end
 
 # Modules
+gem "graphql", "1.9.21" # Resolves conflict between requirements of decidim-api and decidim-ideas
 # gem "decidim-access_requests", github: "mainio/decidim-module-access_requests" # Supported until 0.22.0
 # gem "decidim-action_delegator", github: "coopdevs/decidim-module-action_delegator" # Supported until 0.22.0, not indended for production use
 # gem "decidim-antivirus", github: "mainio/decidim-module-antivirus" # Supported until 0.22.0