diff --git a/configure b/configure
index fbc140dca13e497dd13debccbe5b79f2f798c228..d8eda1df43de4489454859fa6763da6e5611ad44 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for PostgreSQL 12.0.
+# Generated by GNU Autoconf 2.69 for PostgreSQL 12.1.
 #
 # Report bugs to <pgsql-bugs@lists.postgresql.org>.
 #
@@ -582,8 +582,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='PostgreSQL'
 PACKAGE_TARNAME='postgresql'
-PACKAGE_VERSION='12.0'
-PACKAGE_STRING='PostgreSQL 12.0'
+PACKAGE_VERSION='12.1'
+PACKAGE_STRING='PostgreSQL 12.1'
 PACKAGE_BUGREPORT='pgsql-bugs@lists.postgresql.org'
 PACKAGE_URL=''
 
@@ -1436,7 +1436,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures PostgreSQL 12.0 to adapt to many kinds of systems.
+\`configure' configures PostgreSQL 12.1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1501,7 +1501,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of PostgreSQL 12.0:";;
+     short | recursive ) echo "Configuration of PostgreSQL 12.1:";;
    esac
   cat <<\_ACEOF
 
@@ -1667,7 +1667,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-PostgreSQL configure 12.0
+PostgreSQL configure 12.1
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2420,7 +2420,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by PostgreSQL $as_me 12.0, which was
+It was created by PostgreSQL $as_me 12.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -19870,7 +19870,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by PostgreSQL $as_me 12.0, which was
+This file was extended by PostgreSQL $as_me 12.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -19940,7 +19940,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-PostgreSQL config.status 12.0
+PostgreSQL config.status 12.1
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.in b/configure.in
index 4d16b8f7bdf779a7a0bb1f4f9be4f62237b5b474..edb362bc78ab7801d4650b42a33ffb439f00a7ae 100644
--- a/configure.in
+++ b/configure.in
@@ -17,7 +17,7 @@ dnl Read the Autoconf manual for details.
 dnl
 m4_pattern_forbid(^PGAC_)dnl to catch undefined macros
 
-AC_INIT([PostgreSQL], [12.0], [pgsql-bugs@lists.postgresql.org])
+AC_INIT([PostgreSQL], [12.1], [pgsql-bugs@lists.postgresql.org])
 
 m4_if(m4_defn([m4_PACKAGE_VERSION]), [2.69], [], [m4_fatal([Autoconf version 2.69 is required.
 Untested combinations of 'autoconf' and PostgreSQL versions are not
diff --git a/src/include/pg_config.h.win32 b/src/include/pg_config.h.win32
index 50425a7ed2d3dc41ac929d848ab64e8f986bd770..35a3f89ae4783532639b4cf27c0aeafd9e18cc09 100644
--- a/src/include/pg_config.h.win32
+++ b/src/include/pg_config.h.win32
@@ -645,10 +645,10 @@
 #define PACKAGE_NAME "PostgreSQL"
 
 /* Define to the full name and version of this package. */
-#define PACKAGE_STRING "PostgreSQL 12.0"
+#define PACKAGE_STRING "PostgreSQL 12.1"
 
 /* Define to the version of this package. */
-#define PACKAGE_VERSION "12.0"
+#define PACKAGE_VERSION "12.1"
 
 /* Define to the name of a signed 128-bit integer type. */
 #undef PG_INT128_TYPE
@@ -657,10 +657,10 @@
 #define PG_INT64_TYPE long long int
 
 /* PostgreSQL version as a string */
-#define PG_VERSION "12.0"
+#define PG_VERSION "12.1"
 
 /* PostgreSQL version as a number */
-#define PG_VERSION_NUM 120000
+#define PG_VERSION_NUM 120001
 
 /* Define to the one symbol short name of this package. */
 #define PACKAGE_TARNAME "postgresql"
diff --git a/src/interfaces/libpq/libpq.rc.in b/src/interfaces/libpq/libpq.rc.in
index d15e731f0c8489a962f0d4d8ac6b00a5ab6e882d..02ab6bab4a3a735696408fa5c2f97c7bfcbd42b0 100644
--- a/src/interfaces/libpq/libpq.rc.in
+++ b/src/interfaces/libpq/libpq.rc.in
@@ -1,8 +1,8 @@
 #include <winver.h>
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 12,0,0,0
- PRODUCTVERSION 12,0,0,0
+ FILEVERSION 12,0,1,0
+ PRODUCTVERSION 12,0,1,0
  FILEFLAGSMASK 0x3fL
  FILEFLAGS 0
  FILEOS VOS__WINDOWS32
@@ -15,13 +15,13 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "\0"
             VALUE "FileDescription", "PostgreSQL Access Library\0"
-            VALUE "FileVersion", "12.0\0"
+            VALUE "FileVersion", "12.1\0"
             VALUE "InternalName", "libpq\0"
             VALUE "LegalCopyright", "Copyright (C) 2019\0"
             VALUE "LegalTrademarks", "\0"
             VALUE "OriginalFilename", "libpq.dll\0"
             VALUE "ProductName", "PostgreSQL\0"
-            VALUE "ProductVersion", "12.0\0"
+            VALUE "ProductVersion", "12.1\0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/src/port/win32ver.rc b/src/port/win32ver.rc
index 77a699dc48cbb872630c4cb1bc59f2d49d165497..f5ac1045948805c1d8208fbddfdf4836978b69e8 100644
--- a/src/port/win32ver.rc
+++ b/src/port/win32ver.rc
@@ -2,8 +2,8 @@
 #include "pg_config.h"
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION    12,0,0,0
- PRODUCTVERSION 12,0,0,0
+ FILEVERSION    12,0,1,0
+ PRODUCTVERSION 12,0,1,0
  FILEFLAGSMASK  0x17L
  FILEFLAGS      0x0L
  FILEOS         VOS_NT_WINDOWS32