diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
index 7900885a..f72fed58 100644
--- a/.github/workflows/constraints.txt
+++ b/.github/workflows/constraints.txt
@@ -4,3 +4,4 @@ nox-poetry==0.9.0
 poetry==1.1.12
 virtualenv==20.13.0
 pyparsing<3
+requests-cache>=0.9.1