diff --git a/.gitmodules b/.gitmodules
index cf30111f2fbaa67f2f34074eafc67606a638ecb3..3b307a1f1689a9d9955ee11ca94297e1329ab3f6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,9 +19,6 @@
 [submodule "ThirdParty/pybind11"]
 	path = ThirdParty/pybind11
 	url = https://github.com/pybind/pybind11.git
-[submodule "ThirdParty/exprtk"]
-	path = ThirdParty/exprtk
-	url = https://github.com/ArashPartow/exprtk.git
 [submodule "ThirdParty/iphreeqc/src"]
 	path = ThirdParty/iphreeqc/src
 	url = https://github.com/ufz/iphreeqc.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f08928fa9dcae944a145b8716ed2a3a690f24a93..fa190f6a192a43d49f7b4c0fff426884a0c87408 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -225,7 +225,6 @@ include_directories(
     ${CMAKE_CURRENT_SOURCE_DIR}/ThirdParty
     ${CMAKE_CURRENT_SOURCE_DIR}/ThirdParty/tclap/include
     ${CMAKE_CURRENT_SOURCE_DIR}/ThirdParty/json/include
-    ${CMAKE_CURRENT_SOURCE_DIR}/ThirdParty/exprtk
     ${CMAKE_CURRENT_SOURCE_DIR}/ThirdParty/spdlog/include)
 
 # vtkdiff
diff --git a/ParameterLib/CMakeLists.txt b/ParameterLib/CMakeLists.txt
index de2dcb6bd4d4ae9dd463d98089bb43a0e97f5861..d2f0d3a199506bf7abe0096b5267c18c3466c110 100644
--- a/ParameterLib/CMakeLists.txt
+++ b/ParameterLib/CMakeLists.txt
@@ -1,10 +1,11 @@
-# Source files
 get_source_files(SOURCES)
-
 ogs_add_library(ParameterLib ${SOURCES})
 
 include(GenerateExportHeader)
 generate_export_header(ParameterLib)
 target_include_directories(ParameterLib PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
 
-target_link_libraries(ParameterLib PUBLIC MathLib PRIVATE BaseLib MeshLib spdlog::spdlog)
+target_link_libraries(ParameterLib
+    PUBLIC MathLib
+    PRIVATE BaseLib exprtk MeshLib spdlog::spdlog
+)
diff --git a/ThirdParty/exprtk b/ThirdParty/exprtk
deleted file mode 160000
index d312ba91419c9cb12c8279fd3a19096d39dfcb5e..0000000000000000000000000000000000000000
--- a/ThirdParty/exprtk
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d312ba91419c9cb12c8279fd3a19096d39dfcb5e
diff --git a/scripts/cmake/Find.cmake b/scripts/cmake/Find.cmake
index 8ca90b6259f04d20324c16889681bf68c35d90cb..b788ebd5614698d2c68306cf2f2ea47aa5dd9ec4 100644
--- a/scripts/cmake/Find.cmake
+++ b/scripts/cmake/Find.cmake
@@ -21,6 +21,17 @@ if(BUILD_TESTING)
     endif()
 endif()
 
+CPMAddPackage(
+    NAME exprtk
+    GITHUB_REPOSITORY ArashPartow/exprtk
+    GIT_TAG c7c219480d9678eec7383a4a99030683c4a84d91
+    DOWNLOAD_ONLY YES
+)
+if(exprtk_ADDED)
+    add_library(exprtk INTERFACE IMPORTED)
+    target_include_directories(exprtk INTERFACE ${exprtk_SOURCE_DIR})
+endif()
+
 ######################
 ### Find tools     ###
 ######################
diff --git a/scripts/cmake/SubmoduleSetup.cmake b/scripts/cmake/SubmoduleSetup.cmake
index bf11534fb1e445ace6372e7a0dcd16e7f0bb8051..bdd7f6a570a101f6c37af1bbe894be18aa0bc060 100644
--- a/scripts/cmake/SubmoduleSetup.cmake
+++ b/scripts/cmake/SubmoduleSetup.cmake
@@ -10,7 +10,6 @@ if(NOT OGS_ADDITIONAL_SUBMODULES_TO_CHECKOUT)
 endif()
 set(REQUIRED_SUBMODULES
     ThirdParty/cmake-modules
-    ThirdParty/exprtk
     ThirdParty/iphreeqc/src
     ThirdParty/json-cmake
     ThirdParty/spdlog