diff --git a/lib/cpp/Makefile.am b/lib/cpp/Makefile.am
index 9da970d..356afff 100644
--- a/lib/cpp/Makefile.am
+++ b/lib/cpp/Makefile.am
@@ -31,6 +31,8 @@
                        src/protocol/TBinaryProtocol.cpp \
                        src/protocol/TDebugProtocol.cpp \
                        src/protocol/TDenseProtocol.cpp \
+                       src/protocol/TJSONProtocol.cpp \
+                       src/protocol/TBase64Utils.cpp \
                        src/transport/TTransportException.cpp \
                        src/transport/TFileTransport.cpp \
                        src/transport/THttpClient.cpp \