diff --git a/manifest.toml b/manifest.toml
index 5360338..c38302b 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -47,6 +47,10 @@ ram.runtime = "50M"
         url = "https://git.sr.ht/~emersion/gamja/refs/download/v1.0.0-beta.9/gamja-1.0.0-beta.9.tar.gz"
         sha256 = "0873517364cc6e674296b2cdbd17870f864df62dec00f844516d70da18ff96af"
 
+        [resources.sources.soju]
+        url = "https://git.sr.ht/~emersion/soju/refs/download/v0.7.0/soju-0.7.0.tar.gz"
+        sha256 = "d203b1384198d4c6aa3bb2b3190e536f4de495d110c7ba64b83bbff73d45ce13"
+
     [resources.ports]
 
     [resources.system_user]
@@ -55,3 +59,6 @@ ram.runtime = "50M"
 
     [resources.permissions]
     main.url = "/"
+
+    [resources.apt]
+    packages = "make"