diff --git a/source/concurrency/package.d b/source/concurrency/package.d
index 78b1236..df51cdf 100644
--- a/source/concurrency/package.d
+++ b/source/concurrency/package.d
@@ -1,3 +1,8 @@
 module concurrency;
 
 public import concurrency.syncwait;
+public import concurrency.sender;
+public import concurrency.thread;
+public import concurrency.receiver;
+public import concurrency.scheduler;
+public import concurrency.stoptoken;
diff --git a/source/concurrency/stream/package.d b/source/concurrency/stream/package.d
index 3a78930..dff7ae6 100644
--- a/source/concurrency/stream/package.d
+++ b/source/concurrency/stream/package.d
@@ -12,6 +12,8 @@ public import concurrency.stream.tolist;
 public import concurrency.stream.slide;
 public import concurrency.stream.throttling;
 public import concurrency.stream.cycle;
+public import concurrency.stream.cron;
+public import concurrency.stream.defer;
 public import concurrency.stream.flatmapconcat;
 public import concurrency.stream.flatmaplatest;
 import concurrency.sender : isSender, OpType;