diff --git a/builder/requirements.txt b/builder/requirements.txt
index 71f9d61..88a9402 100644
--- a/builder/requirements.txt
+++ b/builder/requirements.txt
@@ -1,3 +1,3 @@
-jsonschema
-redis
+jsonschema==4.20.0
+redis==5.2.1
 dill==0.3.8