diff --git a/serversession-backend-persistent/serversession-backend-persistent.cabal b/serversession-backend-persistent/serversession-backend-persistent.cabal
index 3aaca63..aedc115 100644
--- a/serversession-backend-persistent/serversession-backend-persistent.cabal
+++ b/serversession-backend-persistent/serversession-backend-persistent.cabal
@@ -22,7 +22,7 @@ library
     , bytestring
     , cereal                    >= 0.4
     , path-pieces
-    , persistent                == 2.1.*
+    , persistent                >= 2.1   && < 2.3
     , tagged                    >= 0.8
     , text
     , time
@@ -64,8 +64,8 @@ test-suite tests
 
     , hspec                     >= 2.1 && < 3
     , monad-logger
-    , persistent-sqlite         == 2.1.*
-    , persistent-postgresql     == 2.1.*
+    , persistent-sqlite         >= 2.1   && < 2.3
+    , persistent-postgresql     >= 2.1   && < 2.3
     , resource-pool
     , QuickCheck