diff --git a/examples/dotnet/docker-compose.yaml b/examples/dotnet/docker-compose.yaml
index 8d23b17141..3ba4af6b61 100644
--- a/examples/dotnet/docker-compose.yaml
+++ b/examples/dotnet/docker-compose.yaml
@@ -3,7 +3,7 @@ version: "3.7"
 services:
 
   storage:
-    image: fsouza/fake-gcs-server:v1.25.1
+    build: ../..
     ports:
       - 8080:8080
-    command: ["-scheme", "http", "-port", "8080", "-external-url", "http://localhost:8080", "-backend", "memory"]
\ No newline at end of file
+    command: ["-scheme", "http", "-port", "8080", "-external-url", "http://localhost:8080", "-backend", "memory"]