diff --git a/.tool-versions b/.tool-versions
new file mode 100644
index 0000000..f239fe2
--- /dev/null
+++ b/.tool-versions
@@ -0,0 +1 @@
+scarb 2.6.3
diff --git a/Scarb.toml b/Scarb.toml
index 8321422..4e36ecd 100644
--- a/Scarb.toml
+++ b/Scarb.toml
@@ -1,7 +1,7 @@
 [package]
 name = "cubit"
 version = "1.3.0"
-cairo-version = ">=2.4.0"
+cairo-version = ">=2.6.0"
 edition = "2023_10"
 description = "Math library in Cairo using a 64.64 fixed point representation"
 homepage = "https://github.com/influenceth/cubit"
diff --git a/src/f128/types/fixed.cairo b/src/f128/types/fixed.cairo
index e3f2bd7..f8d3103 100644
--- a/src/f128/types/fixed.cairo
+++ b/src/f128/types/fixed.cairo
@@ -92,16 +92,16 @@ impl FixedImpl of FixedTrait {
     }
 
     fn new_unscaled(mag: u128, sign: bool) -> Fixed {
-        return FixedTrait::new(mag * ONE_u128, sign);
+        return Self::new(mag * ONE_u128, sign);
     }
 
     fn from_felt(val: felt252) -> Fixed {
         let mag = core::integer::u128_try_from_felt252(utils::felt_abs(val)).unwrap();
-        return FixedTrait::new(mag, utils::felt_sign(val));
+        return Self::new(mag, utils::felt_sign(val));
     }
 
     fn from_unscaled_felt(val: felt252) -> Fixed {
-        return FixedTrait::from_felt(val * ONE);
+        return Self::from_felt(val * ONE);
     }
 
     fn abs(self: Fixed) -> Fixed {
@@ -551,7 +551,7 @@ impl FixedOne of core::num::traits::One<Fixed> {
     }
     #[inline(always)]
     fn is_one(self: @Fixed) -> bool {
-        *self == FixedOne::one()
+        *self == Self::one()
     }
     #[inline(always)]
     fn is_non_one(self: @Fixed) -> bool {
diff --git a/src/f64/types/fixed.cairo b/src/f64/types/fixed.cairo
index 5e4ef81..85dee51 100644
--- a/src/f64/types/fixed.cairo
+++ b/src/f64/types/fixed.cairo
@@ -93,11 +93,11 @@ impl FixedImpl of FixedTrait {
 
     fn from_felt(val: felt252) -> Fixed {
         let mag = core::integer::u64_try_from_felt252(utils::felt_abs(val)).unwrap();
-        return FixedTrait::new(mag, utils::felt_sign(val));
+        return Self::new(mag, utils::felt_sign(val));
     }
 
     fn from_unscaled_felt(val: felt252) -> Fixed {
-        return FixedTrait::from_felt(val * ONE.into());
+        return Self::from_felt(val * ONE.into());
     }
 
     fn abs(self: Fixed) -> Fixed {
@@ -548,7 +548,7 @@ impl FixedOne of core::num::traits::One<Fixed> {
     }
     #[inline(always)]
     fn is_one(self: @Fixed) -> bool {
-        *self == FixedOne::one()
+        *self == Self::one()
     }
     #[inline(always)]
     fn is_non_one(self: @Fixed) -> bool {