diff --git a/data_cleaning/imputation/misgan/requirements.txt b/data_cleaning/imputation/misgan/requirements.txt
index abdae9e43..15fc15f54 100644
--- a/data_cleaning/imputation/misgan/requirements.txt
+++ b/data_cleaning/imputation/misgan/requirements.txt
@@ -128,7 +128,7 @@ pkginfo==1.4.2
 pluggy==0.6.0
 ply==3.11
 prompt-toolkit==1.0.15
-protobuf==3.7.0
+protobuf==3.18.3
 psutil==5.4.5
 py==1.5.3
 pycodestyle==2.4.0