diff --git a/x509-system.cabal b/x509-system.cabal
--- a/x509-system.cabal
+++ b/x509-system.cabal
@@ -1,5 +1,5 @@
 Name:                x509-system
-Version:             1.4.1
+Version:             1.4.2
 Description:         System X.509 handling
 License:             BSD3
 License-file:        LICENSE
@@ -17,14 +17,14 @@
   Build-Depends:     base >= 3 && < 5
                    , bytestring
                    , mtl
-                   , pem >= 0.1 && < 0.2
                    , containers
                    , directory
                    , filepath
                    , process
                    , time
-                   , x509
-                   , x509-store
+                   , pem >= 0.1 && < 0.3
+                   , x509 >= 1.4 && < 1.5
+                   , x509-store >= 1.4 && < 1.5
   Exposed-modules:   System.X509
                      System.X509.Unix
                      System.X509.MacOS