diff --git a/pyproject.toml b/pyproject.toml
index 26ccf96e..8c8e101e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ doc = [
 ]
 test = [
     "pytest==7",
-    "black=24.*"
+    "black==24.*"
 ]
 python_deps = [
     "tqdm==4.*",