diff --git a/Project.toml b/Project.toml
index bf2c59a..c962cf8 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "DiffRules"
 uuid = "b552c78f-8df3-52c6-915a-8e097449b14b"
-version = "1.5.0"
+version = "1.6.0"
 
 [deps]
 LogExpFunctions = "2ab3a3ac-af41-5b50-aa03-7779005ae688"
@@ -9,7 +9,7 @@ Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 
 [compat]
-LogExpFunctions = "0.3"
+LogExpFunctions = "0.3.2"
 NaNMath = "0.3"
 SpecialFunctions = "0.8, 0.9, 0.10, 1.0, 2"
 julia = "1"
diff --git a/src/DiffRules.jl b/src/DiffRules.jl
index e51f4d9..b70cae5 100644
--- a/src/DiffRules.jl
+++ b/src/DiffRules.jl
@@ -2,8 +2,6 @@ __precompile__()
 
 module DiffRules
 
-import LogExpFunctions
-
 include("api.jl")
 include("rules.jl")
 
diff --git a/src/rules.jl b/src/rules.jl
index 88cb5af..d70b71e 100644
--- a/src/rules.jl
+++ b/src/rules.jl
@@ -255,7 +255,4 @@ end
     :(z = LogExpFunctions.logsubexp($x, $y); $x > $y ? exp($x - z) : -exp($x - z)),
     :(z = LogExpFunctions.logsubexp($x, $y); $x > $y ? -exp($y - z) : exp($y - z))
 
-# only defined in LogExpFunctions >= 0.3.2
-if isdefined(LogExpFunctions, :xlog1py)
-    @define_diffrule LogExpFunctions.xlog1py(x, y) = :(log1p($y)), :($x / (1 + $y))
-end
+@define_diffrule LogExpFunctions.xlog1py(x, y) = :(log1p($y)), :($x / (1 + $y))