diff --git a/CMakeLists.txt b/CMakeLists.txt
index 73aeabc..5befba2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.10)
-project(fun VERSION 0.37.24 LANGUAGES C)
+project(fun VERSION 0.37.25 LANGUAGES C)
 
 set(CMAKE_C_STANDARD 99)
 set(CMAKE_C_STANDARD_REQUIRED ON)
diff --git a/src/vm/os/random_number.c b/src/vm/os/random_number.c
index 36e3dab..a84244d 100644
--- a/src/vm/os/random_number.c
+++ b/src/vm/os/random_number.c
@@ -24,8 +24,9 @@
 #if defined(_WIN32) || defined(_WIN64)
   #include <windows.h>
   #include <bcrypt.h>
-#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
+#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
   #include <stdlib.h>
+  #include <sys/random.h>
 #elif defined(__unix__)
   #if __has_include(<sys/random.h>)
     #include <sys/random.h>
@@ -85,7 +86,7 @@ case OP_RANDOM_NUMBER: {
         NTSTATUS st = BCryptGenRandom(NULL, raw, (ULONG)len, BCRYPT_USE_SYSTEM_PREFERRED_RNG);
         ok = (st == 0);
     }
-#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
+#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
     {
         arc4random_buf(raw, (size_t)len);
         ok = 1;
diff --git a/src/vm/os/serial_open.c b/src/vm/os/serial_open.c
index 02c8d73..772776a 100644
--- a/src/vm/os/serial_open.c
+++ b/src/vm/os/serial_open.c
@@ -13,6 +13,21 @@
 #include <fcntl.h>
 #include <termios.h>
 #include <unistd.h>
+
+/* Fallbacks for baud rates that might be missing on some systems */
+#ifndef B57600
+#define B57600 0010001
+#endif
+#ifndef B115200
+#define B115200 0010002
+#endif
+#ifndef B230400
+#define B230400 0010003
+#endif
+
+#ifndef O_NDELAY
+#define O_NDELAY O_NONBLOCK
+#endif
 #endif
 
 case OP_SERIAL_OPEN: {