diff --git a/Cargo.toml b/Cargo.toml
index 0e8a2e6c2..6f8cc2686 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ num-bigint = { version = "0.3.0", default-features = false, features = ["std"] }
 num-integer = "0.1.42"
 num-rational = { version = "0.3.0", default-features = false }
 num-traits = "^0.2.0"
-rand = "0.7.0"
+rand = "0.8.0"
 structopt = { version = "0.3.9", features = ["wrap_help"], optional = true }
 deunicode = { version = "1.0", optional = true }
 hrx-get = { version = "0.1", optional = true }
diff --git a/src/functions/math.rs b/src/functions/math.rs
index 4658ec184..7f895c7fa 100644
--- a/src/functions/math.rs
+++ b/src/functions/math.rs
@@ -307,5 +307,5 @@ fn find_extreme(v: &[Value], pref: Ordering) -> &Value {
 static NULL_VALUE: Value = Value::Null;
 
 fn intrand(lim: isize) -> isize {
-    thread_rng().gen_range(0, lim)
+    thread_rng().gen_range(0..lim)
 }