diff --git a/.github/workflows/subgraph.yaml b/.github/workflows/subgraph.yaml
index f3af71617..0e2edbab3 100644
--- a/.github/workflows/subgraph.yaml
+++ b/.github/workflows/subgraph.yaml
@@ -53,6 +53,10 @@ jobs:
         with:
           version: nightly
 
+      - name: Init docker submodule
+        working-directory: ./subgraph
+        run: git submodule update --init --recursive --depth 1 rain.subgraph.docker/
+
       - name: Start docker container
         working-directory: ./subgraph
         run: nix run .#docker-up