diff --git a/ChangeLog b/ChangeLog
index c76f61277a..461d68707f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2014-02-14: Version 3.24.39
+
+        Introduce --job-based-sweeping flag and use individual jobs for sweeping
+        if set (issue 3104).
+
+        Performance and stability improvements on all platforms.
+
+
 2014-02-13: Version 3.24.38
 
         Merge experimental/a64 to bleeding_edge (issue 3113).
diff --git a/src/version.cc b/src/version.cc
index be07edd5f1..1aea25bafb 100644
--- a/src/version.cc
+++ b/src/version.cc
@@ -34,7 +34,7 @@
 // system so their names cannot be changed without changing the scripts.
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     24
-#define BUILD_NUMBER      39
+#define BUILD_NUMBER      40
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)