diff --git a/CMakeLists.txt b/CMakeLists.txt
index 91d1741..c139c2c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -97,11 +97,13 @@
 # 2021-06-29 JWSB added the option to build static library with PIC.
 # 2021-07-05 JWSB modified such both the static and shared library can be
 #            build in one go.
+# 2021-08-28 PH increased minimum version
 
 PROJECT(PCRE2 C)
 
 # Increased minimum to 2.8.5 to support GNUInstallDirs.
-CMAKE_MINIMUM_REQUIRED(VERSION 2.8.5)
+# Increased minimum to 3.0.0 because older than 2.8.12 is deprecated.
+CMAKE_MINIMUM_REQUIRED(VERSION 3.0.0)
 
 # Set policy CMP0026 to avoid warnings for the use of LOCATION in
 # GET_TARGET_PROPERTY. This should no longer be required.
diff --git a/ChangeLog b/ChangeLog
index 96a85da..c320fde 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -31,7 +31,11 @@ Building static and shared libraries using MSVC results in a name clash of
 the libraries. Both static and shared library builds create, for example, the
 file pcre2-8.lib. Therefore, I decided to change the static library names by
 adding "-static". For example, pcre2-8.lib has become pcre2-8-static.lib.
-[Comment by PH: this seems to be MSVC-specific. It doesn't happen on Linux.]
+[Comment by PH: this is MSVC-specific. It doesn't happen on Linux.]
+
+3. Increased the minimum release number for CMake to 3.0.0 because older than 
+2.8.12 is deprecated (it was set to 2.8.5) and causes warnings. Even 3.0.0 is 
+quote old; it was released in 2014.