diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,12 @@
 Changes
 =======
 
+Version 1.4.1
+-------------
+
+Deduplicate command line options when there is more than one TestReporter.
+Expose the function that does that, `uniqueOptionDescriptions`.
+
 Version 1.4.0.3
 ---------------
 
diff --git a/Test/Tasty/Ingredients.hs b/Test/Tasty/Ingredients.hs
--- a/Test/Tasty/Ingredients.hs
+++ b/Test/Tasty/Ingredients.hs
@@ -112,12 +112,12 @@
 
 -- | Like 'ingredientOption', but folds over multiple ingredients.
 ingredientsOptions :: [Ingredient] -> [OptionDescription]
-ingredientsOptions = F.foldMap ingredientOptions
+ingredientsOptions = uniqueOptionDescriptions . F.foldMap ingredientOptions
 
 -- | All the options relevant for this test suite. This includes the
 -- options for the test tree and ingredients, and the core options.
 suiteOptions :: [Ingredient] -> TestTree -> [OptionDescription]
-suiteOptions ins tree =
+suiteOptions ins tree = uniqueOptionDescriptions $
   coreOptions ++
   ingredientsOptions ins ++
   treeOptions tree
diff --git a/Test/Tasty/Options.hs b/Test/Tasty/Options.hs
--- a/Test/Tasty/Options.hs
+++ b/Test/Tasty/Options.hs
@@ -15,6 +15,7 @@
   , lookupOption
   , singleOption
   , OptionDescription(..)
+  , uniqueOptionDescriptions
     -- * Utilities
   , flagCLParser
   , mkFlagCLParser
@@ -32,6 +33,7 @@
 import Data.Typeable
 import Data.Monoid
 import Data.Foldable
+import qualified Data.Set as S
 import Prelude hiding (mod) -- Silence FTP import warnings
 import Options.Applicative
 #if !MIN_VERSION_base(4,11,0)
@@ -128,6 +130,17 @@
 -- corresponding to a particular option.
 data OptionDescription where
   Option :: IsOption v => Proxy v -> OptionDescription
+
+-- | Remove duplicated 'OptionDescription', preserving existing order otherwise
+--
+-- @since 1.4.1
+uniqueOptionDescriptions :: [OptionDescription] -> [OptionDescription]
+uniqueOptionDescriptions = go S.empty
+  where
+    go _ [] = []
+    go acc (Option o : os)
+      | typeOf o `S.member` acc = go acc os
+      | otherwise = Option o : go (S.insert (typeOf o) acc) os
 
 -- | Command-line parser to use with flags
 flagCLParser
diff --git a/tasty.cabal b/tasty.cabal
--- a/tasty.cabal
+++ b/tasty.cabal
@@ -2,7 +2,7 @@
 --  see http://haskell.org/cabal/users-guide/
 
 name:                tasty
-version:             1.4.0.3
+version:             1.4.1
 synopsis:            Modern and extensible testing framework
 description:         Tasty is a modern testing framework for Haskell.
                      It lets you combine your unit tests, golden
@@ -65,7 +65,7 @@
     Test.Tasty.Ingredients.ListTests
     Test.Tasty.Ingredients.IncludingOptions
   build-depends:
-    base >= 4.7 && < 5,
+    base >= 4.8 && < 5,
     stm >= 2.3,
     containers,
     mtl >= 2.1.3.1,