diff --git a/modular-arithmetic.cabal b/modular-arithmetic.cabal
--- a/modular-arithmetic.cabal
+++ b/modular-arithmetic.cabal
@@ -1,5 +1,5 @@
 name:                modular-arithmetic
-version:             1.2.1.3
+version:             1.2.1.4
 synopsis:            A type for integers modulo some constant.
 
 description:         A convenient type for working with integers modulo some constant. It saves you from manually wrapping numeric operations all over the place and prevents a range of simple mistakes. @Integer `Mod` 7@ is the type of integers (mod 7) backed by @Integer@.
@@ -26,12 +26,11 @@
   hs-source-dirs:      src
   ghc-options:         -Wall
   exposed-modules:     Data.Modular
-  build-depends:       base >= 4.7 && < 5
+  build-depends:       base <4.11
 
 test-suite examples
   hs-source-dirs:      test-suite
   main-is:             DocTest.hs
   type:                exitcode-stdio-1.0
-  build-depends:       base >= 4.7 && < 5
-                     , Glob >= 0.7 && < 0.8
-                     , doctest >= 0.9 && < 0.15
+  build-depends:       base <4.11
+                     , doctest >= 0.9
diff --git a/test-suite/DocTest.hs b/test-suite/DocTest.hs
--- a/test-suite/DocTest.hs
+++ b/test-suite/DocTest.hs
@@ -1,7 +1,6 @@
 module Main (main) where
 
-import           System.FilePath.Glob (glob)
 import           Test.DocTest         (doctest)
 
 main :: IO ()
-main = glob "src/**/*.hs" >>= doctest
+main = doctest ["src/Data/Modular.hs"]