diff --git a/CMakeLists.txt b/CMakeLists.txt
index 016828f..4771450 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,10 @@
 # bmi-example-cxx
 
 cmake_minimum_required(VERSION 3.12)
-project (bmi-example-cxx LANGUAGES CXX)
+project(bmi-example-cxx
+    VERSION 2.1
+    LANGUAGES CXX
+)
 
 include(GNUInstallDirs)
 
diff --git a/heat/heatcxx.pc.cmake b/heat/heatcxx.pc.cmake
index 08fa7ab..f10c55f 100644
--- a/heat/heatcxx.pc.cmake
+++ b/heat/heatcxx.pc.cmake
@@ -1,5 +1,5 @@
 Name: HeatCXX
 Description: 2D Heat Equation
-Version: ${HEAT_VERSION}
+Version: ${CMAKE_PROJECT_VERSION}
 Libs: -L${CMAKE_INSTALL_LIBDIR} -l${bmi_name}
 Cflags: -I${CMAKE_INSTALL_INCLUDEDIR}