diff --git a/.cirrus.yml b/.cirrus.yml
index 968e0ab..87698c6 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -4,8 +4,8 @@ task:
   name: FreeBSD
   env:
     matrix:
-      - JULIA_VERSION: 1.0
-      - JULIA_VERSION: 1.1
+      - JULIA_VERSION: 1.3
+      - JULIA_VERSION: 1.4
       - JULIA_VERSION: nightly
   install_script:
     - sh -c "$(fetch https://github.com/raw/ararslan/CirrusCI.jl/master/bin/install.sh -o -)"
diff --git a/.travis.yml b/.travis.yml
index 1328ee5..0012315 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,13 +1,34 @@
 language: julia
 os:
-    - linux
-    - osx
+  - linux
+  - osx
+  - windows
+arch:
+  - x64
+  - x86
+  - arm64
 julia:
-    - 1.0
-    - 1.1
-    - nightly
+  - 1.3
+  - 1.4
+  - nightly
+jobs:
+  allow_failures:
+  - julia: nightly
+  exclude:
+    - os: osx
+      arch: x86
+    - os: osx
+      arch: arm64
+    - os: windows
+      arch: arm64
+    - julia: nightly
+      arch: arm64
 notifications:
-    email: false
+  email: false
+
+cache:
+  directories:
+  - $HOME/.julia/artifacts
 
 after_success:
-    - julia -e 'using Pkg; Pkg.add("Coverage"); cd(Pkg.dir("GSL")); using Coverage; Coveralls.submit(process_folder()); Codecov.submit(process_folder())'
+  - julia -e 'using Pkg; Pkg.add("Coverage"); cd(Pkg.dir("GSL")); using Coverage; Coveralls.submit(process_folder()); Codecov.submit(process_folder())'
diff --git a/Project.toml b/Project.toml
index 1ec017c..a7b70dc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -3,14 +3,14 @@ uuid = "92c85e6c-cbff-5e0c-80f7-495c94daaecd"
 version = "0.6.0"
 
 [deps]
-BinaryProvider = "b99e7846-7c00-51b0-8f62-c81ae34c0232"
 Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
+GSL_jll = "1b77fbbe-d8ee-58f0-85f9-836ddc23a7a4"
 Markdown = "d6f4376e-aef5-505a-96c1-9c027394607a"
 
 [compat]
-BinaryProvider = "^0.5.2"
-SpecialFunctions = "^0.8.0"
-julia = "^1.0.0"
+SpecialFunctions = "0.8.0"
+GSL_jll = "2.6"
+julia = "1.3.0"
 
 [extras]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
diff --git a/appveyor.yml b/appveyor.yml
index a509137..532cefe 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,6 +1,7 @@
 environment:
   matrix:
-  - julia_version: 1
+  - julia_version: 1.3
+  - julia_version: 1.4
   - julia_version: nightly
 
 platform:
@@ -24,6 +25,9 @@ notifications:
     on_build_failure: false
     on_build_status_changed: false
 
+cache:
+  - '%USERPROFILE%\.julia\artifacts'
+
 install:
   - ps: iex ((new-object net.webclient).DownloadString("https://github.com/raw/JuliaCI/Appveyor.jl/version-1/bin/install.ps1"))
 
diff --git a/deps/build.jl b/deps/build.jl
deleted file mode 100644
index ec363a2..0000000
--- a/deps/build.jl
+++ /dev/null
@@ -1,53 +0,0 @@
-# Build script by Mosè Giordano
-# https://github.com/giordano/GSLBuilder.jl
-
-using BinaryProvider # requires BinaryProvider 0.3.0 or later
-
-# Parse some basic command-line arguments
-const verbose = "--verbose" in ARGS
-const prefix = Prefix(get([a for a in ARGS if a != "--verbose"], 1, joinpath(@__DIR__, "usr")))
-products = [
-    # work around for https://github.com/JuliaPackaging/BinaryProvider.jl/issues/133
-    LibraryProduct(prefix, [Sys.iswindows() ? "libgsl" : "libgsl."], :libgsl),
-    LibraryProduct(prefix, [Sys.iswindows() ? "libgslcblas" : "libgslcblas."], :libgslcblas),
-]
-
-# Download binaries from hosted location
-bin_prefix = "https://github.com/JuliaBinaryWrappers/GSL_jll.jl/releases/download/GSL-v2.6.0+0"
-
-# Listing of files generated by BinaryBuilder:
-download_info = Dict(
-    Linux(:aarch64, libc=:glibc) => ("$bin_prefix/GSL.v2.6.0.aarch64-linux-gnu.tar.gz", "07bf1a0f50692421e99f6325843b6beb2e02d12659cb4a316bd15cd414b03f46"),
-    Linux(:aarch64, libc=:musl) => ("$bin_prefix/GSL.v2.6.0.aarch64-linux-musl.tar.gz", "97619f82228e966f62881ab51ba83b52502df2cc57d94b78d3dac8c450cbd35c"),
-    Linux(:armv7l, libc=:glibc, call_abi=:eabihf) => ("$bin_prefix/GSL.v2.6.0.arm-linux-gnueabihf.tar.gz", "6af7eb831a58e9422fadffe90d5590d4c3e946dc4ff69a2421ac87fff8467f4d"),
-    Linux(:armv7l, libc=:musl, call_abi=:eabihf) => ("$bin_prefix/GSL.v2.6.0.arm-linux-musleabihf.tar.gz", "d8e149d1d9c784186349cbfcf60eab854c99dbee35506a2b569bd12b0a01b8c6"),
-    Linux(:i686, libc=:glibc) => ("$bin_prefix/GSL.v2.6.0.i686-linux-gnu.tar.gz", "c56cdad16df1bf1e22c21a92ec30b88b06178eb7832f340eec5d1d5e3d1ed17a"),
-    Linux(:i686, libc=:musl) => ("$bin_prefix/GSL.v2.6.0.i686-linux-musl.tar.gz", "a6cbf55b8009a5f42f044adfe926f16f6ab8557ce3ba302467f3a059b1d7374c"),
-    Windows(:i686) => ("$bin_prefix/GSL.v2.6.0.i686-w64-mingw32.tar.gz", "5f6d1c8e04897e06d156a867caae2d630948128dca9122f3f46e96fcc7e70a8a"),
-    Linux(:powerpc64le, libc=:glibc) => ("$bin_prefix/GSL.v2.6.0.powerpc64le-linux-gnu.tar.gz", "457f4363377c73406964e5afb98db9bb6e66a1e2273babfe95df76d43d2e0550"),
-    MacOS(:x86_64) => ("$bin_prefix/GSL.v2.6.0.x86_64-apple-darwin14.tar.gz", "249506bd5780fec01ce8c86a7642b762092733a0524766241acb8743439b93b2"),
-    Linux(:x86_64, libc=:glibc) => ("$bin_prefix/GSL.v2.6.0.x86_64-linux-gnu.tar.gz", "a63a7ba98fa623bf304a13d03a217358ddc339326ebccb9656af3f505a3e5a87"),
-    Linux(:x86_64, libc=:musl) => ("$bin_prefix/GSL.v2.6.0.x86_64-linux-musl.tar.gz", "3a2e4fea75f1c9891c0fff37b5b960dcbb79be9f1eebcbcb6e28c5242496d1e1"),
-    FreeBSD(:x86_64) => ("$bin_prefix/GSL.v2.6.0.x86_64-unknown-freebsd11.1.tar.gz", "141f3cd1be872837bcd2f1cf787015af756f3b2b160bea96a5bf11437c3d7252"),
-    Windows(:x86_64) => ("$bin_prefix/GSL.v2.6.0.x86_64-w64-mingw32.tar.gz", "362e54af69f27311592b7b8d5f3e9c1231f8432fea8b802a658467d908dc5d39"),
-)
-
-# Install unsatisfied or updated dependencies:
-unsatisfied = any(!satisfied(p; verbose=verbose) for p in products)
-dl_info = choose_download(download_info, platform_key_abi())
-if dl_info === nothing && unsatisfied
-    # If we don't have a compatible .tar.gz to download, complain.
-    # Alternatively, you could attempt to install from a separate provider,
-    # build from source or something even more ambitious here.
-    error("Your platform (\"$(Sys.MACHINE)\", parsed as \"$(triplet(platform_key_abi()))\") is not supported by this package!")
-end
-
-# If we have a download, and we are unsatisfied (or the version we're
-# trying to install is not itself installed) then load it up!
-if unsatisfied || !isinstalled(dl_info...; prefix=prefix)
-    # Download and install binaries
-    install(dl_info...; prefix=prefix, force=true, verbose=verbose)
-end
-
-# Write out a deps.jl file that will contain mappings for our products
-write_deps_file(joinpath(@__DIR__, "deps.jl"), products, verbose=verbose)
diff --git a/src/GSL.jl b/src/GSL.jl
index 39931c4..7a6941b 100644
--- a/src/GSL.jl
+++ b/src/GSL.jl
@@ -2,19 +2,17 @@ module GSL
 
 using Markdown
 
-
 # BEGIN MODULE C
 # low-level interface
 module C
-# Deps
-const depsfile = joinpath(dirname(@__DIR__), "deps", "deps.jl")
-if isfile(depsfile)
-    include(depsfile)
-else
-    error("GSL is not properly installed. Please build it first.")
-end
 
 using Markdown
+using Libdl
+using GSL_jll
+
+const libgslcblas = joinpath(dirname(GSL_jll.libgsl_path),
+                             "libgslcblas" * (Sys.iswindows() ? "-0." : "." ) * dlext)
+
 # Generated code
 include("gen/gsl_export.jl")
 include("gen/gsl_types.jl")
@@ -24,8 +22,6 @@ include("gen/gsl_global_vars.jl")
 include("error_handling.jl")
 
 function __init__()
-    # Load library
-    check_deps()
     # Seems we need to load BLAS with this RTLD_GLOBAL
     flags = Libdl.RTLD_LAZY | Libdl.RTLD_DEEPBIND | Libdl.RTLD_GLOBAL
     if Libdl.dlopen_e(libgslcblas, flags) in (C_NULL, nothing)