diff --git a/.github/workflows/linter/requirements.txt b/.github/workflows/linter/requirements.txt
index 8b2221946..5396565dd 100644
--- a/.github/workflows/linter/requirements.txt
+++ b/.github/workflows/linter/requirements.txt
@@ -7,4 +7,4 @@ pyupgrade==2.31.1
 isort==5.10.1
 flake8==4.0.1
 nbqa==1.3.1
-protobuf >= 3.19.0, <4.0.0dev
+protobuf ==3.20.1