diff --git a/requirements.txt b/requirements.txt
index ff36c9a..3600700 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 pyparsing<=3.0.4;python_full_version<"3.6.8"
-scancode-toolkit==32.0.6
+scancode-toolkit==31.2.6
 XlsxWriter
 typecode-libmagic
-fosslight_util>=1.4.28
+fosslight_util>=1.4.27
 PyYAML
 wheel