diff --git a/CMakeLists.txt b/CMakeLists.txt
index 83aeef03bf6c5..6a83f76ca01e1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -495,6 +495,8 @@ set(UTIL_SOURCES
         ./src/random.cpp
         ./src/rpc/protocol.cpp
         ./src/sync.cpp
+        ./src/blob_uint256.cpp
+        ./src/arith_uint256.cpp
         ./src/uint256.cpp
         ./src/util/threadnames.cpp
         ./src/util.cpp