diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62c1c627..29707778 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ A preview of the next release can be installed from
 ## Unreleased
 
 - Fix virtual `ThreadBuilder` interop
+- Add `java.util.concurrent.ThreadLocalRandom`
+- Add `java.util.concurrent.locks.ReentrantLock`
 
 ## 1.12.199 (2025-04-18)
 
diff --git a/src/babashka/impl/classes.clj b/src/babashka/impl/classes.clj
index 01bff589..b599f9f4 100644
--- a/src/babashka/impl/classes.clj
+++ b/src/babashka/impl/classes.clj
@@ -507,6 +507,8 @@
           java.util.concurrent.Executors
           java.util.concurrent.TimeUnit
           java.util.concurrent.CompletionStage
+          java.util.concurrent.locks.ReentrantLock
+          java.util.concurrent.ThreadLocalRandom
           java.util.jar.Attributes
           java.util.jar.Attributes$Name
           java.util.jar.JarFile