diff --git a/versions-catalog.toml b/versions-catalog.toml
index a5f98fa..2c89115 100644
--- a/versions-catalog.toml
+++ b/versions-catalog.toml
@@ -14,6 +14,7 @@ jgit = { group = "org.eclipse.jgit", name = "org.eclipse.jgit", version = "7.3.0
 # third party
 
 # third party testing
+assertj = { group = "org.assertj", name = "assertj-core", version = "3.27.3" }
 junit-jupiter-params = { group = "org.junit.jupiter", name = "junit-jupiter-params" }
 junit-platform-launcher = { group = "org.junit.platform", name = "junit-platform-launcher" }
 kotlin-junit5 = { group = "org.jetbrains.kotlin", name = "kotlin-test-junit5" }