diff --git a/configure/CONFIG_BASE_VERSION b/configure/CONFIG_BASE_VERSION
index f15f47449..a781a5260 100644
--- a/configure/CONFIG_BASE_VERSION
+++ b/configure/CONFIG_BASE_VERSION
@@ -36,7 +36,7 @@ EPICS_MODIFICATION = 1
 EPICS_PATCH_LEVEL = 0
 
 # This will end in -DEV between official releases
-#EPICS_DEV_SNAPSHOT=-DEV
+EPICS_DEV_SNAPSHOT=-DEV
 #EPICS_DEV_SNAPSHOT=-pre1
 #EPICS_DEV_SNAPSHOT=-pre1-DEV
 #EPICS_DEV_SNAPSHOT=-pre2
@@ -45,7 +45,7 @@ EPICS_PATCH_LEVEL = 0
 #EPICS_DEV_SNAPSHOT=-rc1-DEV
 #EPICS_DEV_SNAPSHOT=-rc2
 #EPICS_DEV_SNAPSHOT=-rc2-DEV
-EPICS_DEV_SNAPSHOT=
+#EPICS_DEV_SNAPSHOT=
 
 # No changes should be needed below here
 
diff --git a/documentation/RELEASE_NOTES.html b/documentation/RELEASE_NOTES.html
index 269b6210c..cd2e7f339 100644
--- a/documentation/RELEASE_NOTES.html
+++ b/documentation/RELEASE_NOTES.html
@@ -3,11 +3,16 @@
 <html>
 <head>
   <meta http-equiv="content-type" content="text/html; charset=iso-8859-1">
-  <title>EPICS Base R3.15.1 Release Notes</title>
+  <title>EPICS Base R3.15.2 Release Notes</title>
 </head>
 
 <body lang="en">
-<h1 align="center">EPICS Base Release 3.15.1</h1>
+<h1 align="center">EPICS Base Release 3.15.2</h1>
+
+<p style="color:red">This version of EPICS Base has not been released yet.</p>
+
+<h2 align="center">Changes between 3.15.1 and 3.15.2</h2>
+<!-- Insert new items immediately below here ... -->
 
 <h2 align="center">Changes between 3.15.0.2 and 3.15.1</h2>
 
