diff --git a/Formula/j/jena.rb b/Formula/j/jena.rb
index 8a836fad2de2d..a7a4ae81fe3c9 100644
--- a/Formula/j/jena.rb
+++ b/Formula/j/jena.rb
@@ -15,6 +15,7 @@ class Jena < Formula
 
   conflicts_with "pwntools", because: "both install `update` binaries"
   conflicts_with "samba", because: "both install `tdbbackup` binaries"
+  conflicts_with "tdb", because: "both install `tdbbackup`, `tdbdump` binaries"
 
   def install
     env = {