diff --git a/pdfinfo.cabal b/pdfinfo.cabal
--- a/pdfinfo.cabal
+++ b/pdfinfo.cabal
@@ -1,5 +1,5 @@
 Name:                pdfinfo
-Version:             0.1.2
+Version:             0.1.3
 Synopsis:            Wrapper around the pdfinfo command.
 Description:         Just a wrapper around the pdfinfo command. See man pdfinfo.
 License:             BSD3
@@ -14,7 +14,7 @@
   Exposed-modules:   Text.PDF.Info
   Hs-source-dirs:    src/
   Build-depends:     base >= 4 && < 5,
-                     old-locale >= 1.0 && < 1.1,
-                     time >= 1.1 && < 1.2,
-                     process >= 1.0 && < 1.1,
-                     mtl >= 1.1 && < 1.2
+                     old-locale >= 1.0.0.0 && <= 1.0.0.4,
+                     time >= 1.1 && <= 1.4.0.1,
+                     process >= 1.0 && <= 1.1.0.1,
+                     mtl >= 1.1 && <= 2.1.1