diff --git a/requirements.txt b/requirements.txt
index 7d61f04..2deeb8b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ oemof.network==0.4.0rc0
 oemof.solph==0.4.1
 oemof.tools==0.4.0
 pandas==0.23.4
-pip==20.2.4
+pip==21.1
 Pyomo==5.7.0
 scipy==1.4.1
 xlrd==1.2.0