diff --git a/docker/gitea/Dockerfile b/docker/gitea/Dockerfile
new file mode 100644
index 00000000..c97f79bf
--- /dev/null
+++ b/docker/gitea/Dockerfile
@@ -0,0 +1,3 @@
+FROM gitea/gitea:1
+
+RUN apk --no-cache add asciidoctor
diff --git a/docker/gitea/docker-compose.toml b/docker/gitea/docker-compose.toml
index dc4c9220..6fac0acf 100644
--- a/docker/gitea/docker-compose.toml
+++ b/docker/gitea/docker-compose.toml
@@ -2,7 +2,7 @@
 
 [services.gitea]
 container_name = "gitea"
-image = "gitea/gitea:1"
+build = "."
 environment = ["TZ=Europe/Helsinki", "USER_UID=1000", "USER_GID=1000"]
 restart = "unless-stopped"
 networks = ["postgres", "proxy"]