diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8b115c5..cfc2286 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,6 +41,7 @@ set(SOURCES
   src/stdlib/exit.c
   src/stdlib/fpconv.c
   src/stdlib/intconv.c
+  src/stdlib/rand.c
   src/stdlib/sizes.c
   # string
   src/string/core.c
diff --git a/include/ft/all-tests.h b/include/ft/all-tests.h
index d2f615c..18c6fb4 100644
--- a/include/ft/all-tests.h
+++ b/include/ft/all-tests.h
@@ -34,6 +34,7 @@ extern ft_test ft_stdlib_sizes;
 extern ft_test ft_stdlib_llconv;
 extern ft_test ft_stdlib_lconv;
 extern ft_test ft_stdlib_fpconv;
+extern ft_test ft_stdlib_rand;
 extern ft_test ft_stdlib_exit;
 extern ft_test ft_stdlib__Exit;
 extern ft_test ft_stdlib_abort;
diff --git a/src/main.c b/src/main.c
index 2bcf5d4..cce8e57 100644
--- a/src/main.c
+++ b/src/main.c
@@ -51,6 +51,7 @@ ft_list headers_libc[] = {
         &ft_stdlib_llconv,
         &ft_stdlib_lconv,
         &ft_stdlib_fpconv,
+        &ft_stdlib_rand,
         &ft_stdlib_exit,
         &ft_stdlib__Exit,
         &ft_stdlib_abort,
diff --git a/src/stdlib/rand.c b/src/stdlib/rand.c
new file mode 100644
index 0000000..9c53c71
--- /dev/null
+++ b/src/stdlib/rand.c
@@ -0,0 +1,30 @@
+#include <ft/test.h>
+#include <ft/all-tests.h>
+#include <stdlib.h>
+
+void _ft_stdlib_rand(ft_test *t)
+{
+	srand(0xdeadbeef);
+	ft_assert(t, rand() == 0x797dd849);
+	ft_assert(t, rand() == 0x02687112);
+	ft_assert(t, rand() == 0x2222a00d);
+	ft_assert(t, rand() == 0x67c2ff94);
+
+	unsigned int seed = 0xc0ffee;
+	srand(seed);
+	ft_log(t, "Seed: %#x\n\n", seed);
+
+	for(int i = 0; i < 8; i++) {
+		int i1 = rand();
+		int i2 = rand();
+		int i3 = rand();
+		int i4 = rand();
+
+		ft_log(t, "  %08X   %08X   %08X   %08X\n", i1, i2, i3, i4);
+	}
+}
+
+ft_test ft_stdlib_rand = {
+	.name = "TinyMT random numbers",
+	.function = _ft_stdlib_rand,
+};