diff --git a/Setting up the conda environment/requirements.txt b/Setting up the conda environment/requirements.txt
index 2280f8c..6e012a6 100644
--- a/Setting up the conda environment/requirements.txt	
+++ b/Setting up the conda environment/requirements.txt	
@@ -39,7 +39,7 @@ pandocfilters==1.4.2
 parso==0.2.1
 pickleshare==0.7.4
 prompt-toolkit==1.0.15
-protobuf==3.5.2.post1
+protobuf==3.18.3
 pycosat==0.6.3
 pycparser==2.18
 Pygments==2.2.0