diff --git a/build/test-requirements.txt b/build/test-requirements.txt
index 49c1dd2573a2..b707ddc29f2f 100644
--- a/build/test-requirements.txt
+++ b/build/test-requirements.txt
@@ -7,7 +7,7 @@ black ; python_version>='3.6'
 yapf
 pylint
 pycodestyle
-prospector==1.2.0 # Last version of prospector with Python 2.7 support
+prospector==1.8.4 # Last version of prospector with Python 2.7 support
 pydocstyle
 nose
 pytest==4.6.9 # Last version of pytest with Python 2.7 support