diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,10 @@
+2021-09-15 Ivan Perez <ivan.perez@keera.co.uk>
+        * yampa-test.cabal: Version bump (0.13.2).
+
+2019-10-15 Ivan Perez <ivan.perez@keera.co.uk>
+        * yampa-test.cabal: Version bump (0.2), use tasty for testing.
+        * Thanks to @RyanGlScott.
+
 2018-10-27 Ivan Perez <ivan.perez@keera.co.uk>
         * yampa-test.cabal: Version bump (0.1.1).
         * src/: Fixes bug (#108).
diff --git a/src/FRP/Yampa/LTLFuture.hs b/src/FRP/Yampa/LTLFuture.hs
--- a/src/FRP/Yampa/LTLFuture.hs
+++ b/src/FRP/Yampa/LTLFuture.hs
@@ -25,7 +25,7 @@
 -- | Type representing future-time linear temporal logic predicates with until
 -- and next.
 data TPred a where
-  Prop       :: SF a Bool -> TPred a
+  SP       :: SF a Bool -> TPred a
   And        :: TPred a -> TPred a -> TPred a
   Or         :: TPred a -> TPred a -> TPred a
   Not        :: TPred a -> TPred a
@@ -39,7 +39,7 @@
 --
 -- Returns 'True' if the temporal proposition is currently true.
 evalT :: TPred a -> SignalSampleStream a -> Bool
-evalT (Prop sf)       = \stream -> firstSample $ fst $ evalSF sf stream
+evalT (SP sf)       = \stream -> firstSample $ fst $ evalSF sf stream
 evalT (And t1 t2)     = \stream -> evalT t1 stream && evalT t2 stream
 evalT (Or  t1 t2)     = \stream -> evalT t1 stream || evalT t2 stream
 evalT (Not t1)        = \stream -> not (evalT t1 stream)
@@ -63,7 +63,7 @@
 
 -- | Apply a transformation to the leaves (to the SFs)
 tPredMap :: (SF a Bool -> SF a Bool) -> TPred a -> TPred a
-tPredMap f (Prop sf)       = Prop (f sf)
+tPredMap f (SP sf)       = SP (f sf)
 tPredMap f (And t1 t2)     = And (tPredMap f t1) (tPredMap f t2)
 tPredMap f (Or t1 t2)      = Or (tPredMap f t1) (tPredMap f t2)
 tPredMap f (Not t1)        = Not (tPredMap f t1)
diff --git a/tests/YampaQC.hs b/tests/YampaQC.hs
--- a/tests/YampaQC.hs
+++ b/tests/YampaQC.hs
@@ -108,7 +108,7 @@
 -- Yampa's internal test cases
 
 -- prop :: SF a b -> (a -> b ->
-prop (a,b) = Prop ((identity &&& a) >>^ uncurry b)
+prop (a,b) = SP ((identity &&& a) >>^ uncurry b)
 
 -- Yampa's Arrow Checks
 
@@ -434,7 +434,7 @@
        pred = (\x y -> (x, x + 1) == y)
 
 prop_arrow_id_0 =
-   forAll myStream $ evalT $ Always $ Prop ((sf1 &&& sf2) >>> pred)
+   forAll myStream $ evalT $ Always $ SP ((sf1 &&& sf2) >>> pred)
  where sf1 = arr id >>> integral
        sf2 = integral
        pred = arr $ uncurry (==)
@@ -443,7 +443,7 @@
        myStream = uniDistStream
 
 prop_arrow_id_2 =
-   forAll myStream $ evalT $ Always $ Prop ((sf1 &&& sf2) >>> pred)
+   forAll myStream $ evalT $ Always $ SP ((sf1 &&& sf2) >>> pred)
  where sf1 = integral >>> arr id
        sf2 = integral
        pred = arr $ uncurry (==)
@@ -452,7 +452,7 @@
        myStream = uniDistStream
 
 prop_arrow_assoc =
-   forAll myStream $ evalT $ Always $ Prop ((sf1 &&& sf2) >>> pred)
+   forAll myStream $ evalT $ Always $ SP ((sf1 &&& sf2) >>> pred)
  where sf1 = (integral >>> arr (*0.5)) >>> integral
        sf2 = integral >>> (arr (*0.5) >>> integral)
        pred = arr $ uncurry (==)
@@ -461,7 +461,7 @@
        myStream = uniDistStream
 
 prop_arrow_arr_comp =
-   forAll myStream $ evalT $ Always $ Prop ((sf1 &&& sf2) >>> pred)
+   forAll myStream $ evalT $ Always $ SP ((sf1 &&& sf2) >>> pred)
  where sf1 = (arr ((*2.5) . (+3.0)))
        sf2 = (arr (+3.0) >>> arr (*2.5))
        pred = arr (uncurry (==))
@@ -470,7 +470,7 @@
        myStream = uniDistStream
 
 prop_arrow_first_3 =
-   forAll myStream $ evalT $ Always $ Prop ((sf1 &&& sf2) >>> arr pred)
+   forAll myStream $ evalT $ Always $ SP ((sf1 &&& sf2) >>> arr pred)
  where sf1 = (arr dup >>> first (arr (*2.5)))
        sf2 = (arr dup >>> arr (fun_prod (*2.5) id))
        pred = uncurry (==)
@@ -479,7 +479,7 @@
        myStream = uniDistStream
 
 prop_arrow_first_distrib =
-   forAll myStream $ evalT $ Always $ Prop ((sf1 &&& sf2) >>> arr pred)
+   forAll myStream $ evalT $ Always $ SP ((sf1 &&& sf2) >>> arr pred)
  where sf1 = (arr dup >>> (first (integral >>> arr (+3.0))))
        sf2 = (arr dup >>> (first integral >>> first (arr (+3.0))))
        pred = uncurry (==)
@@ -488,7 +488,7 @@
        myStream = uniDistStream
 
 prop_arrow_first_id_comm =
-   forAll myStream $ evalT $ Always $ Prop ((sf1 &&& sf2) >>> arr pred)
+   forAll myStream $ evalT $ Always $ SP ((sf1 &&& sf2) >>> arr pred)
  where sf1 = (arr dup >>> (first integral>>>arr (fun_prod id (+3.0))))
        sf2 = (arr dup >>> (arr (fun_prod id (+3.0))>>>first integral))
        pred = uncurry (==)
@@ -497,7 +497,7 @@
        myStream = uniDistStream
 
 prop_arrow_first_nested =
-   forAll myStream $ evalT $ Always $ Prop ((sf1 &&& sf2) >>> arr pred)
+   forAll myStream $ evalT $ Always $ SP ((sf1 &&& sf2) >>> arr pred)
  where sf1 = (arr (\x -> ((x,x),())) >>> (first (first integral) >>> arr assoc))
        sf2 = (arr (\x -> ((x,x),())) >>> (arr assoc >>> first integral))
 
@@ -508,7 +508,7 @@
 
 prop_switch_t1 =
   forAll myStream $ evalT $
-    Always $ Prop ((switch_t1rec 42.0 &&& switch_tr) >>> arr same)
+    Always $ SP ((switch_t1rec 42.0 &&& switch_tr) >>> arr same)
 
   where myStream :: Gen (SignalSampleStream Double)
         myStream = fixedDelayStreamWith f 1.0
@@ -576,7 +576,7 @@
 
 -- | Compares two SFs, resulting in true if they are always equal
 prop_always_equal sf1 sf2 =
-    Always $ Prop ((sf1 &&& sf2) >>> arr sameResult)
+    Always $ SP ((sf1 &&& sf2) >>> arr sameResult)
   where sameResult = uncurry (==)
 
 prop_arr_no_change f xs =
@@ -584,7 +584,7 @@
 
 -- | Compares two SFs, returning true if they are close enough
 prop_always_similar margin sf1 sf2 =
-  Always (Prop ((sf1 &&& sf2) >>> arr similar))
+  Always (SP ((sf1 &&& sf2) >>> arr similar))
   where similar (x,y) = abs (x-y) <= margin
 
 sfMeasureIncrement :: Num b => b -> SF a b -> SF a b
diff --git a/yampa-test.cabal b/yampa-test.cabal
--- a/yampa-test.cabal
+++ b/yampa-test.cabal
@@ -1,8 +1,8 @@
 name:                yampa-test
-version:             0.2
+version:             0.13.2
 synopsis:            Testing library for Yampa.
 description:
-  Testing and dbugging library for Yampa.
+  Testing and debugging library for Yampa.
   .
   It contains:
   .
@@ -34,7 +34,7 @@
                        FRP.Yampa.Stream
                        FRP.Yampa.QuickCheck
   build-depends:       base >=4 && <5,
-                       Yampa >= 0.12,
+                       Yampa >= 0.13.2 && < 0.14,
                        QuickCheck,
                        normaldistribution
   hs-source-dirs:      src
