diff --git a/CMakeLists.txt b/CMakeLists.txt
index c86c909..c143b18 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -47,7 +47,7 @@ list(INSERT CMAKE_MODULE_PATH 0 "${CMAKE_BINARY_DIR}")
 # stuff we get from Conan
 find_package(Boost 1.76 COMPONENTS system filesystem program_options REQUIRED )
 find_package(libxml2 MODULE REQUIRED)
-find_package(zlib MODULE REQUIRED)
+find_package(ZLIB MODULE REQUIRED)
 find_package(fmt MODULE REQUIRED)
 
 # create a compilation database for e.g. clang-tidy