diff --git a/Project.toml b/Project.toml
index a797bd319..ce4e0d0f0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -47,7 +47,7 @@ DelimitedFiles = "1"
 DiffEqCallbacks = "4"
 FastPow = "0.1"
 FileIO = "1"
-ForwardDiff = "0.10"
+ForwardDiff = "1"
 GPUArraysCore = "0.2"
 JSON = "0.21"
 KernelAbstractions = "0.9"
diff --git a/test/general/smoothing_kernels.jl b/test/general/smoothing_kernels.jl
index 23c9c01b4..f8c2c3ede 100644
--- a/test/general/smoothing_kernels.jl
+++ b/test/general/smoothing_kernels.jl
@@ -86,7 +86,7 @@
 
                         # This should work with very tight tolerances
                         @test isapprox(analytic_deriv, automatic_deriv,
-                                       rtol=5e-15, atol=2eps())
+                                       rtol=5e-15, atol=4 * eps())
                     end
                 end
             end