diff --git a/Cargo.toml b/Cargo.toml
index 64f1aae..cde8535 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,12 +4,12 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-cairo-lang-compiler = "2.8.4"
-cairo-lang-filesystem = "2.8.4"
-cairo-lang-sierra = "2.8.4"
-cairo-lang-sierra-ap-change = "2.8.4"
-cairo-lang-sierra-gas = "2.8.4"
-cairo-lang-utils = "2.8.4"
+cairo-lang-compiler = "2.9.0-dev.0"
+cairo-lang-filesystem = "2.9.0-dev.0"
+cairo-lang-sierra = "2.9.0-dev.0"
+cairo-lang-sierra-ap-change = "2.9.0-dev.0"
+cairo-lang-sierra-gas = "2.9.0-dev.0"
+cairo-lang-utils = "2.9.0-dev.0"
 clap = { version = "4.5.20", features = ["derive"] }
 k256 = "0.13.4"
 keccak = "0.1.5"
@@ -31,8 +31,8 @@ tracing = "0.1.40"
 tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
 
 [dev-dependencies]
-cairo-lang-compiler = "2.8.4"
-cairo-lang-starknet = "2.8.4"
+cairo-lang-compiler = "2.9.0-dev.0"
+cairo-lang-starknet = "2.9.0-dev.0"
 
 # On dev optimize dependencies a bit so it's not as slow.
 [profile.dev.package."*"]
diff --git a/Makefile b/Makefile
index 82e3043..8441644 100644
--- a/Makefile
+++ b/Makefile
@@ -2,8 +2,8 @@
 
 UNAME := $(shell uname)
 
-CAIRO_2_VERSION=2.8.0
-SCARB_VERSION = 2.8.0
+CAIRO_2_VERSION=2.9.0-dev.0
+SCARB_VERSION = 2.8.4
 
 needs-cairo2:
 ifeq ($(wildcard ./cairo2/.),)
diff --git a/src/debug.rs b/src/debug.rs
index 8d14588..7c0924c 100644
--- a/src/debug.rs
+++ b/src/debug.rs
@@ -26,6 +26,7 @@ use cairo_lang_sierra::{
         nullable::NullableConcreteLibfunc,
         pedersen::PedersenConcreteLibfunc,
         poseidon::PoseidonConcreteLibfunc,
+        range::IntRangeConcreteLibfunc,
         starknet::{
             secp256::{Secp256ConcreteLibfunc, Secp256OpConcreteLibfunc},
             testing::TestingConcreteLibfunc,
@@ -378,6 +379,7 @@ pub fn libfunc_to_name(value: &CoreConcreteLibfunc) -> &'static str {
             StarkNetConcreteLibfunc::Sha256ProcessBlock(_) => "sha256_process_block",
             StarkNetConcreteLibfunc::Sha256StateHandleInit(_) => "sha256_state_handle_init",
             StarkNetConcreteLibfunc::Sha256StateHandleDigest(_) => "sha256_state_handle_digest",
+            StarkNetConcreteLibfunc::GetClassHashAt(_) => "get_class_hash_at",
         },
         CoreConcreteLibfunc::Debug(value) => match value {
             DebugConcreteLibfunc::Print(_) => "debug_print",
@@ -414,6 +416,10 @@ pub fn libfunc_to_name(value: &CoreConcreteLibfunc) -> &'static str {
             BoundedIntConcreteLibfunc::IsZero(_) => "bounded_int_is_zero",
             BoundedIntConcreteLibfunc::WrapNonZero(_) => "bounded_int_wrap_non_zero",
         },
+        CoreConcreteLibfunc::IntRange(selector) => match selector {
+            IntRangeConcreteLibfunc::TryNew(_) => "int_range_try_new",
+            IntRangeConcreteLibfunc::PopFront(_) => "int_range_pop_front",
+        },
     }
 }
 
@@ -533,6 +539,9 @@ pub fn type_to_name(
         CoreTypeConcrete::SegmentArena(_) => String::from("SegmentArena"),
         CoreTypeConcrete::Bytes31(_) => String::from("Bytes31"),
         CoreTypeConcrete::BoundedInt(_) => String::from("BoundedInt"),
+        CoreTypeConcrete::IntRange(info) => {
+            format!("IntRange<{}>", type_to_name(&info.ty, registry))
+        }
     }
 }
 
diff --git a/src/value.rs b/src/value.rs
index de61868..e386753 100644
--- a/src/value.rs
+++ b/src/value.rs
@@ -199,6 +199,7 @@ impl Value {
                 StarkNetTypeConcrete::Secp256Point(_) => matches!(self, Self::Struct(_)),
                 StarkNetTypeConcrete::Sha256StateHandle(_) => matches!(self, Self::Struct { .. }),
             },
+            CoreTypeConcrete::IntRange(_) => todo!(),
         };
 
         if !res {
diff --git a/src/vm.rs b/src/vm.rs
index 0d6b27d..4426b77 100644
--- a/src/vm.rs
+++ b/src/vm.rs
@@ -378,5 +378,6 @@ fn eval<'a>(
 
             EvalAction::NormalBranch(0, smallvec![value])
         }
+        CoreConcreteLibfunc::IntRange(_) => todo!(),
     }
 }
diff --git a/src/vm/starknet.rs b/src/vm/starknet.rs
index 502b11e..1b5abe4 100644
--- a/src/vm/starknet.rs
+++ b/src/vm/starknet.rs
@@ -122,6 +122,7 @@ pub fn eval(
                 }
             }
         },
+        StarkNetConcreteLibfunc::GetClassHashAt(_) => todo!(),
     }
 }