diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index dea8fe2..b13ee2c
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@ pytest==8.0.0
 pytest-astropy==0.11.0
 pytest-cov==4.1.0
 flake8==7.0.0 
-black==24.1.1
\ No newline at end of file
+black==26.3.1
\ No newline at end of file