diff --git a/REQUIRE b/REQUIRE
index 40a86bf..2fe81eb 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -1,2 +1,2 @@
 julia 0.7
-SpecialFunctions
+SpecialFunctions 0.7
diff --git a/test/gradcheck.jl b/test/gradcheck.jl
index ac0012d..45688df 100644
--- a/test/gradcheck.jl
+++ b/test/gradcheck.jl
@@ -32,7 +32,7 @@ number, we check the gradient of `sum(f(x...))`.
 * `verbose=1`: 0 prints nothing, 1 shows failing tests, 2 shows all tests.
 
 """
-function gradcheck(f, x...; kw=(), args=:, nsample=10, verbose=1, rtol=0.01, atol=0.01, delta=0.0001)
+function gradcheck(f, x...; kw=(), args=:, nsample=10, verbose=1, rtol=0.05, atol=0.01, delta=0.0001)
     args = isa(args, Colon) ? (1:length(x)) : args
     tape = Tape()
     xrec  = Any[x...]