diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,10 @@
 # Revision history for tex-builder
 
+0.1.4.1
+---
+* Allowing building with cryptonite 0.25.
+* Mention deprecation of early versions in README.
+
 0.1.4.0
 ---
 * Simplify code by reducing continuation foo somewhat.
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -52,6 +52,10 @@
 Finally if you really really need all those intermediate representation files
 in your directory, use ` --persistent `.
 
+## Notes
+
+Early Versions (up to 0.1.2.0) of this program are deprecated, because the cabal file did not enforce use of the ` -threaded ` ghc option. If that option was not passed to cabal / ghc on the command line, the resulting builds were broken.
+
 ## Legal
 
 This program is free software: you can redistribute it and/or modify
diff --git a/TexBuilder/Utils/Hashing.hs b/TexBuilder/Utils/Hashing.hs
--- a/TexBuilder/Utils/Hashing.hs
+++ b/TexBuilder/Utils/Hashing.hs
@@ -17,8 +17,8 @@
   => FilePath -> io (Digest a)
 computeHash path = do
   hash <- liftIO (hashlazy <$> LB.readFile path)
-  pure $ deepseq hash hash
-  -- ^ deepseq is neccessary to force reading to
+  pure $ force hash
+  -- ^ force is neccessary to force reading to
   --   actually happen here (we want to capture the
   --   _current_ state of the file).
 
@@ -28,8 +28,8 @@
 computeHashes paths = do
   hashes <- forM paths $ \path ->
     liftIO (hashlazy <$> LB.readFile path)
-  pure $ deepseq hashes hashes
-  -- ^ deepseq is neccessary to force reading to
+  pure $ force hashes
+  -- ^ force is neccessary to force reading to
   --   actually happen here (we want to capture the
   --   _current_ state of the file).
 
diff --git a/texbuilder.cabal b/texbuilder.cabal
--- a/texbuilder.cabal
+++ b/texbuilder.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                texbuilder
-version:             0.1.4.0
+version:             0.1.4.1
 synopsis:            View your latex output while editing
 description:         
   This program allows you to view your latex document in your pdf viewer while 
@@ -53,7 +53,7 @@
   build-depends:       mtl                  >= 2.2.1 && < 2.3
   build-depends:       bytestring           >= 0.10.8 && < 0.11
   build-depends:       containers           >= 0.5.7 && < 0.6
-  build-depends:       cryptonite           >= 0.23 && <= 0.24
+  build-depends:       cryptonite           >= 0.23 && <= 0.25
   build-depends:       deepseq              >= 1.4.2 && < 1.5
   build-depends:       ansi-wl-pprint       >= 0.6.8 && < 0.7
   build-depends:       extra                >= 1.5.3 && < 1.7