diff --git a/REQUIRE b/REQUIRE
index 8b71418..3df789f 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -1,2 +1,2 @@
 julia 0.7.0-DEV.3449
-Compat 0.33
+Compat 0.61.0
diff --git a/src/generics.jl b/src/generics.jl
index 0388003..8bd482b 100644
--- a/src/generics.jl
+++ b/src/generics.jl
@@ -83,7 +83,7 @@ the quadratic form is applied column-wise.
 """
 function quad(a::AbstractPDMat{T}, x::StridedMatrix{S}) where {T<:Real, S<:Real}
     @check_argdims dim(a) == size(x, 1)
-    quad!(Array{promote_type(T, S)}(Compat.undef, size(x,2)), a, x)
+    quad!(Array{promote_type(T, S)}(undef, size(x,2)), a, x)
 end
 
 
@@ -99,5 +99,5 @@ the quadratic form is applied column-wise.
 """
 function invquad(a::AbstractPDMat{T}, x::StridedMatrix{S}) where {T<:Real, S<:Real}
     @check_argdims dim(a) == size(x, 1)
-    invquad!(Array{promote_type(T, S)}(Compat.undef, size(x,2)), a, x)
+    invquad!(Array{promote_type(T, S)}(undef, size(x,2)), a, x)
 end