diff --git a/crates/blockifier/src/test_utils/cairo_compile.rs b/crates/blockifier/src/test_utils/cairo_compile.rs
index a76d0a4cc9..00addd12eb 100644
--- a/crates/blockifier/src/test_utils/cairo_compile.rs
+++ b/crates/blockifier/src/test_utils/cairo_compile.rs
@@ -58,6 +58,10 @@ pub fn cairo1_compiler_version() -> String {
     }
 }
 
+pub fn cairo1_compiler_tag() -> String {
+    format!("v{}", cairo1_compiler_version())
+}
+
 /// Returns the path to the local Cairo1 compiler repository.
 fn local_cairo1_compiler_repo_path() -> PathBuf {
     // Location of blockifier's Cargo.toml.
@@ -159,7 +163,7 @@ fn verify_cairo0_compiler_deps() {
 
 fn verify_cairo1_compiler_deps(git_tag_override: Option<String>) {
     let cairo_repo_path = local_cairo1_compiler_repo_path();
-    let tag = git_tag_override.unwrap_or(format!("v{}", cairo1_compiler_version()));
+    let tag = git_tag_override.unwrap_or(cairo1_compiler_tag());
 
     // Check if the path is a directory.
     assert!(
diff --git a/crates/blockifier/src/test_utils/contracts.rs b/crates/blockifier/src/test_utils/contracts.rs
index da161c7010..4053000ac9 100644
--- a/crates/blockifier/src/test_utils/contracts.rs
+++ b/crates/blockifier/src/test_utils/contracts.rs
@@ -74,7 +74,7 @@ const ERC20_CAIRO1_CONTRACT_SOURCE_PATH: &str = "./ERC20/ERC20_Cairo1/ERC20.cair
 const ERC20_CAIRO1_CONTRACT_PATH: &str = "./ERC20/ERC20_Cairo1/erc20.casm.json";
 
 // Legacy contract is compiled with a fixed version of the compiler.
-const LEGACY_CONTRACT_COMPILER_TAG: &str = "v2.1.0";
+pub const LEGACY_CONTRACT_COMPILER_TAG: &str = "v2.1.0";
 
 /// Enum representing all feature contracts.
 /// The contracts that are implemented in both Cairo versions include a version field.
diff --git a/crates/blockifier/tests/cairo1_compiler_tag.txt b/crates/blockifier/tests/cairo1_compiler_tag.txt
new file mode 100644
index 0000000000..766d45b095
--- /dev/null
+++ b/crates/blockifier/tests/cairo1_compiler_tag.txt
@@ -0,0 +1 @@
+v2.7.0-rc.3
diff --git a/crates/blockifier/tests/feature_contracts_compatibility_test.rs b/crates/blockifier/tests/feature_contracts_compatibility_test.rs
index 8aa7d78959..b95cfa62b8 100644
--- a/crates/blockifier/tests/feature_contracts_compatibility_test.rs
+++ b/crates/blockifier/tests/feature_contracts_compatibility_test.rs
@@ -1,6 +1,7 @@
 use std::fs;
 
-use blockifier::test_utils::contracts::FeatureContract;
+use blockifier::test_utils::cairo_compile::cairo1_compiler_tag;
+use blockifier::test_utils::contracts::{FeatureContract, LEGACY_CONTRACT_COMPILER_TAG};
 use blockifier::test_utils::CairoVersion;
 use pretty_assertions::assert_eq;
 use rstest::rstest;
@@ -110,6 +111,16 @@ fn verify_and_get_files(cairo_version: CairoVersion) -> Vec<(String, String, Str
     paths
 }
 
+#[test]
+fn test_cairo1_compiler_version_ci_files() {
+    // For all except the legacy contract.
+    let on_file = include_str!("cairo1_compiler_tag.txt").trim().to_string();
+    assert_eq!(on_file, cairo1_compiler_tag());
+    // Legacy contract
+    let on_file = include_str!("legacy_cairo1_compiler_tag.txt").trim().to_string();
+    assert_eq!(on_file, LEGACY_CONTRACT_COMPILER_TAG);
+}
+
 #[test]
 fn verify_feature_contracts_match_enum() {
     let mut compiled_paths_from_enum: Vec<String> = FeatureContract::all_feature_contracts()
diff --git a/crates/blockifier/tests/legacy_cairo1_compiler_tag.txt b/crates/blockifier/tests/legacy_cairo1_compiler_tag.txt
new file mode 100644
index 0000000000..1defe531bf
--- /dev/null
+++ b/crates/blockifier/tests/legacy_cairo1_compiler_tag.txt
@@ -0,0 +1 @@
+v2.1.0