diff --git a/README.md b/README.md
index 2584cca6..03c8065e 100644
--- a/README.md
+++ b/README.md
@@ -946,6 +946,11 @@ A collection of scripts developed by [@justone](https://github.com/justone).
 
 Turn babashka scripts into binaries using GraalVM `native-image`.
 
+#### [arrangement](https://github.com/greglook/clj-arrangement)
+
+A micro-library which provides a total-ordering comparator for Clojure
+values. Tested with version `1.2.0`.
+
 ## Package babashka script as a AWS Lambda
 
 AWS Lambda runtime doesn't support signals, therefore babashka has to disable
diff --git a/script/run_lib_tests b/script/run_lib_tests
index aaa56bf3..3130036b 100755
--- a/script/run_lib_tests
+++ b/script/run_lib_tests
@@ -11,3 +11,4 @@ script/lib_tests/medley_test
 script/lib_tests/babashka_curl_test
 script/lib_tests/cprop_test
 script/lib_tests/comb_test
+script/lib_tests/arrangement_test