diff --git a/src/promesa/exec/bulkhead.clj b/src/promesa/exec/bulkhead.clj
index 3d47fae..798603b 100644
--- a/src/promesa/exec/bulkhead.clj
+++ b/src/promesa/exec/bulkhead.clj
@@ -20,7 +20,8 @@
    java.util.concurrent.Executor
    java.util.concurrent.LinkedBlockingQueue
    java.util.concurrent.Semaphore
-   java.util.concurrent.atomic.AtomicLong))
+   java.util.concurrent.atomic.AtomicLong
+   java.util.function.Supplier))
 
 (set! *warn-on-reflection* true)
 ;; (set! *unchecked-math* :warn-on-boxed)
diff --git a/src/promesa/impl.cljc b/src/promesa/impl.cljc
index 56a7af6..b4d6eba 100644
--- a/src/promesa/impl.cljc
+++ b/src/promesa/impl.cljc
@@ -25,6 +25,8 @@
       java.util.concurrent.Future
       java.util.concurrent.TimeUnit
       java.util.concurrent.TimeoutException
+      java.util.function.BiConsumer
+      java.util.function.BiFunction
       java.util.function.Function
       java.util.function.Supplier)))