diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6839589707785a95c48e15b2de4750cb33ee084b..19a0eab59c0a015525f065e311bc0c01f7001910 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -266,6 +266,9 @@ set(CMAKE_CXX_STANDARD "17")
 set(KOKKOS_SOURCE_DIR "${PUGS_SOURCE_DIR}/packages/kokkos")
 set(KOKKOS_BINARY_DIR "${PUGS_BINARY_DIR}/packages/kokkos")
 
+# disable Kokkos deprecation warnings by default
+set(Kokkos_ENABLE_DEPRECATION_WARNINGS OFF CACHE BOOL "")
+
 # setting Kokkos defaults to OpenMP when available
 find_package(OpenMP)
 if(OpenMP_CXX_FOUND)