diff --git a/stdeb.cfg b/stdeb.cfg
index a5e3bacc7..2a9a9e2ea 100644
--- a/stdeb.cfg
+++ b/stdeb.cfg
@@ -1,4 +1,15 @@
 [DEFAULT]
-Depends = python-rdflib (>= 4.1.2), python-ply (>= 3.4)
-Copyright-File = LICENSE 
-
+# beartype is not packaged in Debian 13; install via pip.
+# semantic-version is not packaged in Debian 12 and 13; install via pip.
+Depends3 =
+    # python3-beartype, # Available in Debian 13
+    python3-click,
+    python3-license-expression,
+    python3-ply,
+    python3-rdflib,
+    # python3-semantic-version, # Avaiable in Debian Sid
+    python3-uritools,
+    python3-xmltodict,
+    python3-yaml
+X-Python3-Version = >= 3.10
+Copyright-File = LICENSE