2 files changed, 6 insertions, 4 deletions

diff --git a/lib/hypnodata.cc b/lib/hypnodata.cc
index a64b7d7..376c7ff 100644
--- a/lib/hypnodata.cc
+++ b/lib/hypnodata.cc
@@ -1,8 +1,9 @@
-#include <stdlib.h>
-#include <string.h>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
 #include <napkin/exception.h>
 #include <napkin/util.h>
 #include <napkin/types.h>
 
 namespace napkin {
 
diff --git a/lib/st-decode.cc b/lib/st-decode.cc
index b354250..81cbb8f 100644
--- a/lib/st-decode.cc
+++ b/lib/st-decode.cc
@@ -1,8 +1,9 @@
-#include <stdlib.h>
-#include <string.h>
+#include <stdint.h>
+#include <cstdlib>
+#include <cstring>
 #include <stdexcept>
 #include <numeric>
 #include <napkin/exception.h>
 #include <napkin/st/decode.h>
 
 namespace napkin {