diff --git a/configure.ac b/configure.ac
index 98bde42cee..e78a8d5f6d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,7 +9,7 @@ dnl not sure exactly what the minimum version is (but 2.13 won't work)
 AC_PREREQ(2.57)
 
 dnl Set the BOINC version here.  You can also use the set-version script.
-AC_INIT(BOINC, 4.65)
+AC_INIT(BOINC, 4.66)
 
 AC_ARG_ENABLE(server, 
     AC_HELP_STRING([--disable-server],
diff --git a/version.h b/version.h
index 66d6f05eda..a2cf07555c 100644
--- a/version.h
+++ b/version.h
@@ -7,10 +7,10 @@
 #define BOINC_MAJOR_VERSION 4
 
 /* Minor part of BOINC version number */
-#define BOINC_MINOR_VERSION 65
+#define BOINC_MINOR_VERSION 66
 
 /* String representation of BOINC version number */
-#define BOINC_VERSION_STRING "4.65"
+#define BOINC_VERSION_STRING "4.66"
 
 #ifdef _WIN32
 /* Name of package */
@@ -23,13 +23,13 @@
 #define PACKAGE_NAME "BOINC"
 
 /* Define to the full name and version of this package. */
-#define PACKAGE_STRING "BOINC 4.65"
+#define PACKAGE_STRING "BOINC 4.66"
 
 /* Define to the one symbol short name of this package. */
 #define PACKAGE_TARNAME "boinc"
 
 /* Define to the version of this package. */
-#define PACKAGE_VERSION "4.65"
+#define PACKAGE_VERSION "4.66"
 
 #endif /* #ifdef _WIN32 */