diff --git a/.gitignore b/.gitignore
index 7608c4b..da734f1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.puli/
 build/
 vendor/
 composer.lock
diff --git a/puli.json b/puli.json
new file mode 100644
index 0000000..aa3375b
--- /dev/null
+++ b/puli.json
@@ -0,0 +1,29 @@
+{
+    "version": "1.0",
+    "binding-types": {
+        "Http\\Message\\MessageFactory": {
+            "description": "PSR-7 Message Factory",
+            "parameters": {
+                "depends": {
+                    "description": "Optional class dependency which can be checked by consumers"
+                }
+            }
+        },
+        "Http\\Message\\StreamFactory": {
+            "description": "PSR-7 Stream Factory",
+            "parameters": {
+                "depends": {
+                    "description": "Optional class dependency which can be checked by consumers"
+                }
+            }
+        },
+        "Http\\Message\\UriFactory": {
+            "description": "PSR-7 URI Factory",
+            "parameters": {
+                "depends": {
+                    "description": "Optional class dependency which can be checked by consumers"
+                }
+            }
+        }
+    }
+}