diff --git a/tools/cldr-code/src/main/java/org/unicode/cldr/tool/GenerateAllCharts.java b/tools/cldr-code/src/main/java/org/unicode/cldr/tool/GenerateAllCharts.java
index 8f4cc8cbcb0..a5ef8b1599b 100644
--- a/tools/cldr-code/src/main/java/org/unicode/cldr/tool/GenerateAllCharts.java
+++ b/tools/cldr-code/src/main/java/org/unicode/cldr/tool/GenerateAllCharts.java
@@ -1,5 +1,8 @@
 package org.unicode.cldr.tool;
 
+import java.io.File;
+import java.io.IOException;
+
 import org.unicode.cldr.util.CLDRPaths;
 import org.unicode.cldr.util.DateTimeFormats;
 import org.unicode.cldr.util.FileCopier;
@@ -16,6 +19,13 @@
  */
 public class GenerateAllCharts {
     public static void main(String[] args) throws Exception {
+        final File mainDir = new File(CLDRPaths.CHART_DIRECTORY);
+        if (mainDir.mkdirs()) {
+            System.err.println("Created: " + mainDir);
+        }
+        if (!mainDir.isDirectory()) {
+            throw new IOException("Main dir doesn't exist: " + mainDir);
+        }
         FileCopier.copy(GenerateAllCharts.class, "index.css", CLDRPaths.CHART_DIRECTORY);
         FileCopier.copy(
                 GenerateAllCharts.class,
diff --git a/tools/cldr-code/src/main/java/org/unicode/cldr/tool/ToolConstants.java b/tools/cldr-code/src/main/java/org/unicode/cldr/tool/ToolConstants.java
index 38d79d9132e..5d6abefb585 100644
--- a/tools/cldr-code/src/main/java/org/unicode/cldr/tool/ToolConstants.java
+++ b/tools/cldr-code/src/main/java/org/unicode/cldr/tool/ToolConstants.java
@@ -40,7 +40,7 @@ public enum ChartStatus {
                             .map(x -> VersionInfo.getInstance(x))
                             .collect(Collectors.toList()));
 
-    public static final String DEV_VERSION = "44";
+    public static final String DEV_VERSION = "45";
     public static final VersionInfo DEV_VERSION_VI = VersionInfo.getInstance(DEV_VERSION);
 
     public static final Set<String> CLDR_RELEASE_VERSION_SET =