diff --git a/.travis.yml b/.travis.yml
index 93231ad..01c9bd0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,11 @@ os:
   - osx
 julia:
   - 0.6
+  - 1.1
+  - 1.2
+  - 1.3
+  - 1.4
+  - 1.5
   - nightly
 notifications:
   email: false
@@ -13,9 +18,9 @@ git:
 
 ## uncomment the following lines to allow failures on nightly julia
 ## (tests will run but not make your overall status red)
-#matrix:
-#  allow_failures:
-#  - julia: nightly
+matrix:
+  allow_failures:
+    - julia: nightly
 
 ## uncomment and modify the following lines to manually install system packages
 #addons:
diff --git a/Project.toml b/Project.toml
index 8cd1870..986178f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,13 +1,14 @@
 name = "PageAlignedArrays"
 uuid = "ba0cfe35-a769-40a2-96c5-fb706a08f4a0"
 authors = ["Andrew Keller"]
-version = "0.1"
+version = "0.1.0"
 
 [deps]
-Compat = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
+Compat = "34da2185-b29b-5c13-b0c7-acf172513d20"
+Mmap = "a63ad114-7e13-5084-954f-fe012c677804"
 
 [compat]
-julia = "1.5"
+julia = "1"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
diff --git a/src/PageAlignedArrays.jl b/src/PageAlignedArrays.jl
index 1d2aa6d..ccad833 100644
--- a/src/PageAlignedArrays.jl
+++ b/src/PageAlignedArrays.jl
@@ -20,7 +20,7 @@ mutable struct PageAlignedArray{T,N} <: AbstractArray{T,N}
     function PageAlignedArray{T,N}(dims::NTuple{N,Integer}) where {T,N}
         n = N == 0 ? 1 : reduce(*, dims)
         addr = virtualalloc(sizeof(T) * n, T)
-        backing = unsafe_wrap(Array, addr, dims, false)
+        backing = unsafe_wrap(Array, addr, dims, own=false)
         array = new{T,N}(backing, addr)
         @compat finalizer(x->virtualfree(x.addr), array)
         return array
@@ -44,15 +44,15 @@ Allocate page-aligned memory and return a `Ptr{T}` to the allocation. The caller
 responsible for de-allocating the memory using `virtualfree`, otherwise it will leak.
 """
 function virtualalloc(size_bytes::Integer, ::Type{T}) where {T}
-    @static Compat.Sys.iswindows() ? begin
+    @static Base.Sys.iswindows() ? begin
         MEM_COMMIT = 0x1000
         PAGE_READWRITE = 0x4
         addr = ccall((:VirtualAlloc, "Kernel32"), Ptr{T},
-            (Ptr{Void}, Csize_t, Culong, Culong),
+            (Ptr{Cvoid}, Csize_t, Culong, Culong),
             C_NULL, size_bytes, MEM_COMMIT, PAGE_READWRITE)
-    end : @static Compat.Sys.islinux() ? begin
+    end : @static Base.Sys.islinux() ? begin
         addr = ccall(:valloc, Ptr{T}, (Csize_t,), size_bytes)
-    end : @static Compat.Sys.isapple() ? begin
+    end : @static Base.Sys.isapple() ? begin
         addr = ccall((:valloc, "libSystem.dylib"), Ptr{T}, (Csize_t,), size_bytes)
     end : throw(SystemError())
 
@@ -66,14 +66,14 @@ Free memory that has been allocated using `virtualalloc`. Undefined, likely very
 behavior if called on a pointer coming from elsewhere.
 """
 function virtualfree(addr::Ptr{T}) where {T}
-    @static Compat.Sys.iswindows() ? begin
+    @static Base.Sys.iswindows() ? begin
         MEM_RELEASE = 0x8000
-        return ccall((:VirtualFree, "Kernel32"), Cint, (Ptr{Void}, Csize_t, Culong),
+        return ccall((:VirtualFree, "Kernel32"), Cint, (Ptr{Cvoid}, Csize_t, Culong),
             addr, 0, MEM_RELEASE)
-    end : @static Compat.Sys.islinux() ? begin
-        return ccall(:free, Void, (Ptr{Void},), addr)
-    end : @static Compat.Sys.isapple() ? begin
-        return ccall((:free, "libSystem.dylib"), Void, (Ptr{Void},), addr)
+    end : @static Base.Sys.islinux() ? begin
+        return ccall(:free, Void, (Ptr{Cvoid},), addr)
+    end : @static Base.Sys.isapple() ? begin
+        return ccall((:free, "libSystem.dylib"), Void, (Ptr{Cvoid},), addr)
     end : error("OS not supported")
 end
 end # module
diff --git a/test/Project.toml b/test/Project.toml
index 0c36332..a2114c2 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -1,2 +1,3 @@
 [deps]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+Mmap = "a63ad114-7e13-5084-954f-fe012c677804"
diff --git a/test/runtests.jl b/test/runtests.jl
index 03ec0b3..8dc2697 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -4,7 +4,7 @@ using Mmap
 
 
 p = PageAlignedVector{Int}(512)
-@test (p[:] = 1) == 1
+p[:] .= 1
 @test eltype(p) == Int
 @test @inferred(p[1]) == 1
 @test all(p .== 1)
@@ -12,4 +12,4 @@ p = PageAlignedVector{Int}(512)
 @test size(p) == (512,)
 @test Base.IndexStyle(p) == Base.IndexLinear()
 
-@test Integer(pointer(p)) % Mmap.PAGESIZE == 0
+@test Int(pointer(p)) % Mmap.PAGESIZE == 0