diff --git a/lib/oxrdf/src/interning.rs b/lib/oxrdf/src/interning.rs
index 22e84547..c2ae5f51 100644
--- a/lib/oxrdf/src/interning.rs
+++ b/lib/oxrdf/src/interning.rs
@@ -422,5 +422,5 @@ fn next_spur(value: Spur) -> Spur {
 }
 
 fn impossible_spur() -> Spur {
-    Spur::try_from_usize((u32::max_value() - 10).try_into().unwrap()).unwrap()
+    Spur::try_from_usize((u32::MAX - 10).try_into().unwrap()).unwrap()
 }
diff --git a/lib/src/xsd/decimal.rs b/lib/src/xsd/decimal.rs
index 643ba503..4a3a2104 100644
--- a/lib/src/xsd/decimal.rs
+++ b/lib/src/xsd/decimal.rs
@@ -665,12 +665,12 @@ mod tests {
             Decimal::from(-2)
         );
         assert_eq!(
-            Decimal::from(i64::min_value()).round(),
-            Decimal::from(i64::min_value())
+            Decimal::from(i64::MIN).round(),
+            Decimal::from(i64::MIN)
         );
         assert_eq!(
-            Decimal::from(i64::max_value()).round(),
-            Decimal::from(i64::max_value())
+            Decimal::from(i64::MAX).round(),
+            Decimal::from(i64::MAX)
         );
     }
 
@@ -684,12 +684,12 @@ mod tests {
             Decimal::from(-10)
         );
         assert_eq!(
-            Decimal::from(i64::min_value()).ceil(),
-            Decimal::from(i64::min_value())
+            Decimal::from(i64::MIN).ceil(),
+            Decimal::from(i64::MIN)
         );
         assert_eq!(
-            Decimal::from(i64::max_value()).ceil(),
-            Decimal::from(i64::max_value())
+            Decimal::from(i64::MAX).ceil(),
+            Decimal::from(i64::MAX)
         );
     }
 
@@ -706,12 +706,12 @@ mod tests {
             Decimal::from(-11)
         );
         assert_eq!(
-            Decimal::from(i64::min_value()).floor(),
-            Decimal::from(i64::min_value())
+            Decimal::from(i64::MIN).floor(),
+            Decimal::from(i64::MIN)
         );
         assert_eq!(
-            Decimal::from(i64::max_value()).floor(),
-            Decimal::from(i64::max_value())
+            Decimal::from(i64::MAX).floor(),
+            Decimal::from(i64::MAX)
         );
     }
 }
diff --git a/lib/src/xsd/duration.rs b/lib/src/xsd/duration.rs
index 11bb5ce8..935f5041 100644
--- a/lib/src/xsd/duration.rs
+++ b/lib/src/xsd/duration.rs
@@ -564,10 +564,10 @@ mod tests {
     #[test]
     fn from_str() {
         let min = Duration::new(
-            i64::min_value() + 1,
+            i64::MIN + 1,
             Decimal::min_value().checked_add(Decimal::step()).unwrap(),
         );
-        let max = Duration::new(i64::max_value(), Decimal::max_value());
+        let max = Duration::new(i64::MAX, Decimal::max_value());
 
         assert_eq!(
             YearMonthDuration::from_str("P1Y").unwrap().to_string(),