diff --git a/src/jrd/build_no.h b/src/jrd/build_no.h
index 00cabd0146..6692a6ada1 100644
--- a/src/jrd/build_no.h
+++ b/src/jrd/build_no.h
@@ -3,16 +3,16 @@
                *** DO NOT EDIT ***
   TO CHANGE ANY INFORMATION IN HERE PLEASE
   EDIT src/misc/writeBuildNum.sh
-  FORMAL BUILD NUMBER:17558 
+  FORMAL BUILD NUMBER:17559 
 */
 
-#define PRODUCT_VER_STRING "2.1.0.17558"
-#define FILE_VER_STRING "WI-T2.1.0.17558"
-#define LICENSE_VER_STRING "WI-T2.1.0.17558"
-#define FILE_VER_NUMBER 2, 1, 0, 17558
+#define PRODUCT_VER_STRING "2.1.0.17559"
+#define FILE_VER_STRING "WI-T2.1.0.17559"
+#define LICENSE_VER_STRING "WI-T2.1.0.17559"
+#define FILE_VER_NUMBER 2, 1, 0, 17559
 #define FB_MAJOR_VER "2"
 #define FB_MINOR_VER "1"
 #define FB_REV_NO "0"
-#define FB_BUILD_NO "17558"
+#define FB_BUILD_NO "17559"
 #define FB_BUILD_TYPE "T"
-#define FB_BUILD_SUFFIX "Firebird 2.1 Beta 2"
+#define FB_BUILD_SUFFIX "Firebird 2.1 Release Candidate 1"
diff --git a/src/misc/writeBuildNum.sh b/src/misc/writeBuildNum.sh
index dc93ae1d4b..f446de6294 100755
--- a/src/misc/writeBuildNum.sh
+++ b/src/misc/writeBuildNum.sh
@@ -3,13 +3,13 @@
 # This file is used both to rebuild the header file and to set the 
 # environment variables on the config call
 
-BuildVersion="$Id: writeBuildNum.sh,v 1.17717 2007-12-17 13:08:22 dimitr Exp $"
+BuildVersion="$Id: writeBuildNum.sh,v 1.17718 2007-12-17 13:08:24 dimitr Exp $"
 
 BuildType=T
 MajorVer=2
 MinorVer=1
 RevNo=0
-BuildNum=17558
+BuildNum=17559
 
 if [ "$SPECIAL_BUILD_SUFFIX" = "" ]; then
 # Normal builds
@@ -94,7 +94,7 @@ cat >$1 <<eof
 MajorVer = $MajorVer
 MinorVer = $MinorVer
 RevNo = $RevNo
-BuildNum=17558
+BuildNum=17559
 BuildType = $BuildType
 BuildSuffix = $BuildSuffix