--- a/Cargo.toml
+++ b/Cargo.toml
@@ -86,7 +86,7 @@
 features = ["fs"]
 
 [target.'cfg(any(unix, windows, target_os = "wasi"))'.dependencies.getrandom]
-version = "0.3.0"
+version = "0.2"
 optional = true
 default-features = false
 
--- a/src/util.rs
+++ b/src/util.rs
@@ -58,8 +58,9 @@
             any(windows, unix, target_os = "redox", target_os = "wasi")
         ))]
         if i == 3 {
-            if let Ok(seed) = getrandom::u64() {
-                rng.seed(seed);
+            let mut seed = [0u8; 8];
+            if getrandom::getrandom(&mut seed).is_ok() {
+                rng.seed(u64::from_ne_bytes(seed));
             }
         }
         let _ = i; // avoid unused variable warning for the above.