diff --git a/ChangeLog.txt b/ChangeLog.txt
index ee962957..3744741e 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -1,5 +1,8 @@
 ** Release Notes
 
+1.4.48
+  * added Jupyter Lab support
+
 1.4.47
   * fixed side effect in 1.4.46
 
diff --git a/pandatools/PandaToolsPkgInfo.py b/pandatools/PandaToolsPkgInfo.py
index bfd62201..e3e82beb 100644
--- a/pandatools/PandaToolsPkgInfo.py
+++ b/pandatools/PandaToolsPkgInfo.py
@@ -1 +1 @@
-release_version = "1.4.47"
+release_version = "1.4.48"