diff --git a/CMakeLists.txt b/CMakeLists.txt
index c0f5540..8eaddba 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,8 +22,8 @@ endif()
 # At the time of this writing, HEAD revision is commit d312ba91419c9cb12c8279fd3a19096d39dfcb5e 
 # available at https://github.com/ArashPartow/exprtk/archive/d312ba91419c9cb12c8279fd3a19096d39dfcb5e.zip
 # Using latest revision to get all bug fixes.
-set(EXPRTK_PACKAGE_URL "https://github.com/ArashPartow/exprtk/archive/master.zip")
-set(EXPRTK_PACKAGE_PATH ${PACKAGE_DOWNLOAD_DIR}/exprtk.zip)
+set(EXPRTK_PACKAGE_URL "https://github.com/ArashPartow/exprtk/archive/refs/tags/0.0.3.zip")
+set(EXPRTK_PACKAGE_PATH ${PACKAGE_DOWNLOAD_DIR}/exprtk-0.0.3.zip)
 if(NOT EXISTS ${EXPRTK_PACKAGE_PATH})
   message(STATUS "Downloading exprtk package from ${EXPRTK_PACKAGE_URL}")
   file(DOWNLOAD ${EXPRTK_PACKAGE_URL} ${EXPRTK_PACKAGE_PATH}