diff --git a/lib/std/Random/Xoroshiro128.zig b/lib/std/Random/Xoroshiro128.zig
index 37679069a9b8cc42e67fa4652062910efc402956..806612d0789eee52f517a1ce5820e193fbf3d3ff 100644
--- a/lib/std/Random/Xoroshiro128.zig
+++ b/lib/std/Random/Xoroshiro128.zig
@@ -1,4 +1,4 @@
-//! Xoroshiro128+ - http://xoroshiro.di.unimi.it/
+//! Xoroshiro128+ - https://prng.di.unimi.it/xoroshiro128plus.c
 //!
 //! PRNG
 
diff --git a/lib/std/Random/Xoshiro256.zig b/lib/std/Random/Xoshiro256.zig
index 9c1ea9cfec6843cf2b9151ac08cb44aebd810936..4d95d9080a01a8f78f74ae1ec8f4ea3b23fbcdb2 100644
--- a/lib/std/Random/Xoshiro256.zig
+++ b/lib/std/Random/Xoshiro256.zig
@@ -1,4 +1,4 @@
-//! Xoshiro256++ - http://xoroshiro.di.unimi.it/
+//! Xoshiro256++ - https://prng.di.unimi.it/xoshiro256plusplus.c
 //!
 //! PRNG