diff --git a/requirements.txt b/requirements.txt
index 9db6647f2ec46d1a82785f14bf9068e35780ef18..492052c138c21d297f7c1475dfec951283528394 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
 pyserial
-Sphinx
 numpy
 scipy>=1.1.0
 pandas>=0.23.3