diff --git a/CabalHelper/Licenses.hs b/CabalHelper/Licenses.hs
--- a/CabalHelper/Licenses.hs
+++ b/CabalHelper/Licenses.hs
@@ -1,5 +1,9 @@
 {-# LANGUAGE CPP #-}
-module CabalHelper.Licenses where
+module CabalHelper.Licenses (
+    displayDependencyLicenseList
+  , groupByLicense
+  , getDependencyInstalledPackageInfos
+  ) where
 
 -- Copyright (c) 2014, Jasper Van der Jeugt <m@jaspervdj.be>
 
diff --git a/CabalHelper/Main.hs b/CabalHelper/Main.hs
--- a/CabalHelper/Main.hs
+++ b/CabalHelper/Main.hs
@@ -306,10 +306,10 @@
   readIORef lr
 
 getLibraryClbi pd lbi = unsafePerformIO $ do
-  lr <- newIORef (error "getLibraryClbi: empty IORef")
+  lr <- newIORef Nothing
 
   withLibLBI pd lbi $ \ lib clbi ->
-      writeIORef lr (lib,clbi)
+      writeIORef lr $ Just (lib,clbi)
 
   readIORef lr
 
@@ -417,21 +417,26 @@
                   -> ComponentLocalBuildInfo
                   -> (ComponentLocalBuildInfo, GhcOptions)
 removeInplaceDeps v lbi pd clbi = let
-    (lib, libclbi) = getLibraryClbi pd lbi
-    libbi = libBuildInfo lib
-    liboutdir = componentOutDir lbi (CLib lib)
-    libopts = (componentGhcOptions normal lbi libbi libclbi liboutdir) {
-                                      ghcOptPackageDBs = []
+    (ideps, deps) = partition isInplaceDep (componentPackageDeps clbi)
+    hasIdeps = not $ null ideps
+    libopts =
+      case getLibraryClbi pd lbi of
+        Just (lib, libclbi) | hasIdeps ->
+          let
+            libbi = libBuildInfo lib
+            liboutdir = componentOutDir lbi (CLib lib)
+          in
+            (componentGhcOptions normal lbi libbi libclbi liboutdir) {
+                ghcOptPackageDBs = []
 #if CABAL_MAJOR == 1 && CABAL_MINOR > 22 && CABAL_MINOR < 23
-                                    , ghcOptComponentId = NoFlag
+              , ghcOptComponentId = NoFlag
 #endif
-                                  }
 
-    (ideps, deps) = partition isInplaceDep (componentPackageDeps clbi)
-    hasIdeps = not $ null ideps
+            }
+        _ -> mempty
     clbi' = clbi { componentPackageDeps = deps }
 
-  in (clbi', if hasIdeps then libopts else mempty)
+  in (clbi', libopts)
 
  where
    isInplaceDep :: (InstalledPackageId, PackageId) -> Bool
diff --git a/cabal-helper.cabal b/cabal-helper.cabal
--- a/cabal-helper.cabal
+++ b/cabal-helper.cabal
@@ -1,5 +1,5 @@
 name:                cabal-helper
-version:             0.7.1.0
+version:             0.7.2.0
 synopsis:            Simple interface to some of Cabal's configuration state used by ghc-mod
 description:
     @cabal-helper@ provides a library which wraps the internal use of an
@@ -48,13 +48,13 @@
                      , CabalHelper.Sandbox
   default-language:    Haskell2010
   GHC-Options:         -Wall
-  Build-Depends:       base >= 4.5 && < 5
-                     , Cabal >= 1.14 && < 1.26
-                     , directory
-                     , filepath
-                     , transformers
-                     , mtl
-                     , process
+  Build-Depends:       base          < 5    && >= 4.5
+                     , Cabal         < 1.26 && >= 1.14
+                     , directory     < 1.3  && >= 1.1.0.2
+                     , filepath      < 1.5  && >= 1.3.0.0
+                     , transformers  < 0.6  && >= 0.3.0.0
+                     , mtl           < 2.3  && >= 2.0
+                     , process       < 1.5  && >= 1.1.0.1
                      , ghc-prim
 
 Executable cabal-helper-wrapper-v0.7
@@ -71,16 +71,18 @@
                        CabalHelper.Sandbox
   GHC-Options:         -Wall
   X-Install-Target:    $libexecdir
-  Build-Depends:       base >= 4.5 && < 5
-                     , bytestring
-                     , Cabal >= 1.14 && < 1.26
-                     , directory
-                     , filepath
-                     , process
-                     , transformers
+  Build-Depends:       base             < 5    && >= 4.5
+                     , Cabal            < 1.26 && >= 1.14
+                     , bytestring       < 0.11 && >= 0.9.2.1
+                     , directory        < 1.3  && >= 1.1.0.2
+                     , filepath         < 1.5  && >= 1.3.0.0
+                     , transformers     < 0.6  && >= 0.3.0.0
+                     , mtl              < 2.3  && >= 2.0
+                     , process          < 1.5  && >= 1.1.0.1
+                     , temporary        < 1.3  && >= 1.2.0.4
+                     , utf8-string      < 1.1  && >= 1.0.1.1
+
                      , template-haskell
-                     , temporary
-                     , utf8-string
                      , ghc-prim
 
 Test-Suite spec
@@ -98,21 +100,27 @@
   Hs-Source-Dirs:      tests, .
   GHC-Options:         -Wall
   Build-Tools:         cabal
-  Build-Depends:       base >= 4.5 && < 5
-                     , cabal-helper
-                     , extra
-                     , unix
-                     , Cabal >= 1.14 && < 1.26
-                     , directory
-                     , filepath
-                     , transformers
-                     , mtl
-                     , process
-                     , ghc-prim
-                     , bytestring
-                     , utf8-string
+  Build-Depends:       base             < 5    && >= 4.5
+                     , Cabal            < 1.26 && >= 1.14
+                     , bytestring       < 0.11 && >= 0.9.2.1
+                     , directory        < 1.3  && >= 1.1.0.2
+                     , filepath         < 1.5  && >= 1.3.0.0
+                     , transformers     < 0.6  && >= 0.3.0.0
+                     , mtl              < 2.3  && >= 2.0
+                     , process          < 1.5  && >= 1.1.0.1
+                     , temporary        < 1.3  && >= 1.2.0.4
+                     , utf8-string      < 1.1  && >= 1.0.1.1
+
+                     -- additional test deps
+                     , extra            < 1.5  && >= 1.4.10
+                     , unix             < 2.8  && >= 2.5.1.0
+
                      , template-haskell
-                     , temporary
+                     , ghc-prim
+                     , cabal-helper
+
+
+
 
 -- custom-setup
 --   setup-depends: base,