diff --git a/16-countries-page-from-api/.gitignore b/16-countries-page-from-api/.gitignore
new file mode 100644
index 0000000..b6ed91e
--- /dev/null
+++ b/16-countries-page-from-api/.gitignore
@@ -0,0 +1,16 @@
+.bsp/
+.scala-build/
+.metals/
+.direnv
+*/dist/
+/11-single-price-grid-component/.bloop/
+
+**/.bloop
+**/project/project/
+**/project/metals.sbt
+**/project/.bloop
+**/project/target/
+**/target/
+
+*/result
+result
diff --git a/16-countries-page-from-api/build.sbt b/16-countries-page-from-api/build.sbt
index 1abc582..4541846 100644
--- a/16-countries-page-from-api/build.sbt
+++ b/16-countries-page-from-api/build.sbt
@@ -1,3 +1,4 @@
+name := "countries-page"
 
 val toolkitV = "0.1.7"
 val toolkit = "org.scala-lang" %% "toolkit" % toolkitV
diff --git a/16-countries-page-from-api/default.nix b/16-countries-page-from-api/default.nix
index 1c08b81..8099efb 100644
--- a/16-countries-page-from-api/default.nix
+++ b/16-countries-page-from-api/default.nix
@@ -17,6 +17,6 @@ in {
       cp target/scala-*/${pname}-assembly-*.jar $out/bin/${pname}.jar
     '';
 
-    depsSha256 = "";
+    depsSha256 = "sha256-vdCU7UJAGi/CujA05OVw/lIomMpIFl+kW+pn8ny16JI=";
   };
 }
diff --git a/16-countries-page-from-api/project/plugins.sbt b/16-countries-page-from-api/project/plugins.sbt
index 59cd318..cbb9bf7 100644
--- a/16-countries-page-from-api/project/plugins.sbt
+++ b/16-countries-page-from-api/project/plugins.sbt
@@ -1 +1,3 @@
 addSbtPlugin("io.spray" % "sbt-revolver" % "0.10.0")
+
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.1.1")