bump version 2.12
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b2fad02..c60ad5c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,14 +5,14 @@
 
 # Based on configure.ac
 
-project(gperftools VERSION 2.11 LANGUAGES C CXX
+project(gperftools VERSION 2.12 LANGUAGES C CXX
         DESCRIPTION "Performance tools for C++"
         HOMEPAGE_URL https://github.com/gperftools/gperftools)
 
 # Update this value for every release!
-set(TCMALLOC_SO_VERSION 9.12.5)
-set(PROFILER_SO_VERSION 5.7.5)
-set(TCMALLOC_AND_PROFILER_SO_VERSION 10.7.6)
+set(TCMALLOC_SO_VERSION 9.13.5)
+set(PROFILER_SO_VERSION 5.8.5)
+set(TCMALLOC_AND_PROFILER_SO_VERSION 10.8.6)
 
 # The user can choose not to compile in the heap-profiler, the
 # heap-checker, or the cpu-profiler.  There's also the possibility
diff --git a/NEWS b/NEWS
index b217186..3c56db4 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,10 @@
+== 24 Aug 2023
+gperftools 2.12 is out!
+
+Brett T. Warden contributed one significant fix. After a change in the
+previous release, we installed broken pkg-config files. Brett noticed
+and fixed that. Huge thanks!
+
 == 14 Aug 2023
 gperftools 2.11 is out!
 
diff --git a/configure.ac b/configure.ac
index e09924a..b2f218a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,12 +4,12 @@
 # make sure we're interpreted by some minimal autoconf
 AC_PREREQ([2.69])
 
-AC_INIT([gperftools],[2.11],[gperftools@googlegroups.com])
+AC_INIT([gperftools],[2.12],[gperftools@googlegroups.com])
 # Update this value for every release!  (A:B:C will map to foo.so.(A-C).C.B)
 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-TCMALLOC_SO_VERSION=9:12:5
-PROFILER_SO_VERSION=5:7:5
-TCMALLOC_AND_PROFILER_SO_VERSION=10:7:6
+TCMALLOC_SO_VERSION=9:13:5
+PROFILER_SO_VERSION=5:8:5
+TCMALLOC_AND_PROFILER_SO_VERSION=10:8:6
 
 AC_SUBST(TCMALLOC_SO_VERSION)
 AC_SUBST(PROFILER_SO_VERSION)
diff --git a/src/windows/config.h b/src/windows/config.h
index 4a29fd6..f933802 100644
--- a/src/windows/config.h
+++ b/src/windows/config.h
@@ -212,7 +212,7 @@
 #define PACKAGE_NAME "gperftools"
 
 /* Define to the full name and version of this package. */
-#define PACKAGE_STRING "gperftools 2.11"
+#define PACKAGE_STRING "gperftools 2.12"
 
 /* Define to the one symbol short name of this package. */
 #define PACKAGE_TARNAME "gperftools"
@@ -221,7 +221,7 @@
 #define PACKAGE_URL ""
 
 /* Define to the version of this package. */
-#define PACKAGE_VERSION "2.11"
+#define PACKAGE_VERSION "2.12"
 
 /* How to access the PC from a struct ucontext */
 /* #undef PC_FROM_UCONTEXT */
diff --git a/src/windows/gperftools/tcmalloc.h b/src/windows/gperftools/tcmalloc.h
index f64189d..26f1f68 100644
--- a/src/windows/gperftools/tcmalloc.h
+++ b/src/windows/gperftools/tcmalloc.h
@@ -43,9 +43,9 @@
 
 /* Define the version number so folks can check against it */
 #define TC_VERSION_MAJOR  2
-#define TC_VERSION_MINOR  11
+#define TC_VERSION_MINOR  12
 #define TC_VERSION_PATCH  ""
-#define TC_VERSION_STRING "gperftools 2.11"
+#define TC_VERSION_STRING "gperftools 2.12"
 
 #ifndef PERFTOOLS_NOTHROW