diff --git a/bits.go b/bits.go
index f435b6d..f61013a 100644
--- a/bits.go
+++ b/bits.go
@@ -53,6 +53,3 @@ func hasZeroByte(x uint64) bitset {
 func castUint64(m *metadata) uint64 {
 	return *(*uint64)((unsafe.Pointer)(m))
 }
-
-//go:linkname fastrand runtime.fastrand
-func fastrand() uint32
diff --git a/bits_amd64.go b/bits_amd64.go
index 8b91f57..2d95b40 100644
--- a/bits_amd64.go
+++ b/bits_amd64.go
@@ -45,6 +45,3 @@ func nextMatch(b *bitset) (s uint32) {
 	*b &= ^(1 << s) // clear bit |s|
 	return
 }
-
-//go:linkname fastrand runtime.fastrand
-func fastrand() uint32
diff --git a/fastrand.go b/fastrand.go
new file mode 100644
index 0000000..fa610b4
--- /dev/null
+++ b/fastrand.go
@@ -0,0 +1,29 @@
+// Copyright 2023 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build !go1.22
+
+package swiss
+
+import (
+	_ "unsafe"
+)
+
+//go:linkname fastrand runtime.fastrand
+func fastrand() uint32
+
+// randIntN returns a random number in the interval [0, n).
+func randIntN(n int) uint32 {
+	return fastModN(fastrand(), uint32(n))
+}
diff --git a/fastrand_1.22.go b/fastrand_1.22.go
new file mode 100644
index 0000000..6f35d6f
--- /dev/null
+++ b/fastrand_1.22.go
@@ -0,0 +1,26 @@
+// Copyright 2023 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build go1.22
+
+package swiss
+
+import (
+	"math/rand/v2"
+)
+
+// randIntN returns a random number in the interval [0, n).
+func randIntN(n int) uint32 {
+	return rand.Uint32N(uint32(n))
+}
diff --git a/map.go b/map.go
index e5ad203..d2b188e 100644
--- a/map.go
+++ b/map.go
@@ -352,8 +352,3 @@ func probeStart(hi h1, groups int) uint32 {
 func fastModN(x, n uint32) uint32 {
 	return uint32((uint64(x) * uint64(n)) >> 32)
 }
-
-// randIntN returns a random number in the interval [0, n).
-func randIntN(n int) uint32 {
-	return fastModN(fastrand(), uint32(n))
-}