diff --git a/lib_runtime_fastrand.go b/lib_runtime_fastrand.go
new file mode 100644
index 0000000..5778b0a
--- /dev/null
+++ b/lib_runtime_fastrand.go
@@ -0,0 +1,10 @@
+//go:build !go1.22
+
+package zenq
+
+import (
+	_ "unsafe"
+)
+
+//go:linkname Fastrand runtime.fastrand
+func Fastrand() uint32
diff --git a/lib_runtime_fastrand_1.22.go b/lib_runtime_fastrand_1.22.go
new file mode 100644
index 0000000..f3440d2
--- /dev/null
+++ b/lib_runtime_fastrand_1.22.go
@@ -0,0 +1,10 @@
+//go:build go1.22
+
+package zenq
+
+import (
+	_ "unsafe"
+)
+
+//go:linkname Fastrand runtime.cheaprand
+func Fastrand() uint32
diff --git a/lib_runtime_linkage.go b/lib_runtime_linkage.go
index b7ad059..adb43d7 100644
--- a/lib_runtime_linkage.go
+++ b/lib_runtime_linkage.go
@@ -41,9 +41,6 @@ func goparkunlock(lock *mutex, reason waitReason, traceEv byte, traceskip int)
 // defined in the asm files
 func GetG() unsafe.Pointer
 
-//go:linkname Fastrand runtime.fastrand
-func Fastrand() uint32
-
 //go:linkname Fastlog2 runtime.fastlog2
 func Fastlog2(x float64) float64