diff --git a/src/jrd/build_no.h b/src/jrd/build_no.h
index fbddd8a775..da886bb076 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:520
+  FORMAL BUILD NUMBER:526
 */
 
-#define PRODUCT_VER_STRING "5.0.0.520"
-#define FILE_VER_STRING "WI-T5.0.0.520"
-#define LICENSE_VER_STRING "WI-T5.0.0.520"
-#define FILE_VER_NUMBER 5, 0, 0, 520
+#define PRODUCT_VER_STRING "5.0.0.526"
+#define FILE_VER_STRING "WI-T5.0.0.526"
+#define LICENSE_VER_STRING "WI-T5.0.0.526"
+#define FILE_VER_NUMBER 5, 0, 0, 526
 #define FB_MAJOR_VER "5"
 #define FB_MINOR_VER "0"
 #define FB_REV_NO "0"
-#define FB_BUILD_NO "520"
+#define FB_BUILD_NO "526"
 #define FB_BUILD_TYPE "T"
 #define FB_BUILD_SUFFIX "Firebird 5.0 Initial"
diff --git a/src/misc/writeBuildNum.sh b/src/misc/writeBuildNum.sh
index 123d2fa60a..001d52052e 100755
--- a/src/misc/writeBuildNum.sh
+++ b/src/misc/writeBuildNum.sh
@@ -9,7 +9,7 @@ BuildType=T
 MajorVer=5
 MinorVer=0
 RevNo=0
-BuildNum=520
+BuildNum=526
 
 NowAt=`pwd`
 cd `dirname $0`