diff --git a/CMakeLists.txt b/CMakeLists.txt
index d6282368..66d87079 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -336,10 +336,11 @@ target_include_directories(camplib PRIVATE
   ${KLU_INCLUDE_DIRS}
   ${SUNDIALS_SOURCE_DIR}/include
   ${CMAKE_BINARY_DIR}/include
+  ${CMAKE_SOURCE_DIR}/gitmodules/camp/include
 )
 file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/include/camp)
 execute_process(
-  COMMAND ${PYTHON_EXECUTABLE} "-c" "import sys; print(''.join([line.replace(')','').replace('set(','#define ').replace('PACKAGE_', 'CAMP_') for line in sys.stdin if line.startswith('set(PACKAGE_VERSION')]))"
+  COMMAND ${PYTHON_EXECUTABLE} "-c" "import sys; print(''.join([line.replace(')','').replace('set(','#define ').replace('PROJECT_', 'CAMP_') for line in sys.stdin if line.startswith('set(PROJECT_VERSION')]))"
   INPUT_FILE ${CMAKE_SOURCE_DIR}/gitmodules/camp/CMakeLists.txt
   OUTPUT_FILE ${CMAKE_BINARY_DIR}/include/camp/version.h
 )
diff --git a/gitmodules/camp b/gitmodules/camp
index 978b01a6..b2794ec5 160000
--- a/gitmodules/camp
+++ b/gitmodules/camp
@@ -1 +1 @@
-Subproject commit 978b01a65bbf74ebfa188ed580244f136a015a56
+Subproject commit b2794ec5d79d4acfdb5f64ea291911203606ebac
diff --git a/pyproject.toml b/pyproject.toml
index 49ee77f3..3c662866 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ include = [
     "gitmodules/camp/COPYING",
     "gitmodules/camp/CMakeLists.txt",
     "gitmodules/camp/src",
+    "gitmodules/camp/include/camp",
     "gitmodules/json-fortran/LICENSE",
     "gitmodules/json-fortran/src",
     "gitmodules/SuiteSparse/LICENSE.txt",