diff --git a/Holmes/fuzzers/requirements.txt b/Holmes/fuzzers/requirements.txt
old mode 100755
new mode 100644
index 49ab1ea..566ea11
--- a/Holmes/fuzzers/requirements.txt
+++ b/Holmes/fuzzers/requirements.txt
@@ -1,5 +1,5 @@
 Twisted==14.0.0
 lxml==3.3.5
-psutil==2.1.1
+psutil==5.6.6
 pyasn1==0.1.7
 tlslite==0.4.6